[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"donations-sidebar":3,"$fz3bJje1BfhYD8RZ75B6j4G6espWRhWayTM7oCFp7Ltc":4,"posts-{\"page\":1,\"pageSize\":10,\"tagId\":\"52c41978-da06-4962-9636-45bbaeedda80\"}":10,"sidebar-data":63},[],{"id":5,"name":6,"slug":7,"createdAt":8,"updatedAt":9},"52c41978-da06-4962-9636-45bbaeedda80","Nginx","nginx","2022-05-21T09:59:56.000Z","2023-02-08T02:49:14.000Z",{"list":11,"total":60,"page":61,"pageSize":62},[12,32,47],{"id":13,"title":14,"slug":15,"content":16,"excerpt":14,"coverImage":17,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":21,"publishedAt":22,"createdAt":22,"updatedAt":23,"category":24,"author":27,"tags":30},"fc469738-508c-4c37-8d71-df3de68303c7","Nginx常用配置","nginx常用配置","## location的匹配规则\n\n- = 表示精确匹配。只有请求的url路径与后面的字符串完全相等时，才会命中。\n- ^~ 表示如果该符号后面的字符是最佳匹配，采用该规则，不再进行后续的查找。\n- ~ 表示该规则是使用正则定义的，区分大小写。\n- ~* 表示该规则是使用正则定义的，不区分大小写。\n\n> 注意的是，nginx的匹配优先顺序按照上面的顺序进行优先匹配，而且注意的是一旦某一个匹配命中直接退出，不再进行往下的匹配\n剩下的普通匹配会按照最长匹配长度优先级来匹配，就是谁匹配的越多就用谁。\n\n\n\n## Nginx跨域配置\n```language\n     server {\n         listen  80 default_server;\n         server_name _;  \n \n         add_header Access-Control-Allow-Credentials true;\n         add_header Access-Control-Allow-Origin $http_origin;\n         \n              \n         location \u002F {\n            if ($request_method = 'OPTIONS') {\n                add_header Access-Control-Allow-Origin $http_origin;\n                add_header Access-Control-Allow-Methods $http_access_control_request_method;\n                add_header Access-Control-Allow-Credentials true;\n                add_header Access-Control-Allow-Headers $http_access_control_request_headers;\n                add_header Access-Control-Max-Age 1728000;\n                return 204;\n             }         \n        }\n \n    }\n\n\n```\n\n## 重定向(h5跳pc)\n```shell\n        if ($http_user_agent !~* (mobile|nokia|iphone|ipad|android|samsung|htc|blackberry)) {\n            rewrite  ^(.*)   https:\u002F\u002Fblog.xiaolong0418.com$1 permanent;\n        }\n```\n\n## 重定向（效率高）\n\n```language\n    location \u002F { try_files $uri $uri\u002F \u002Findex.html; }\n\n```\n\n## html设置history模式\n```language\nlocation \u002F {\n    index index.html index.htm;\n    proxy_set_header Host $host;\n    # history模式最重要就是这里\n    try_files $uri $uri\u002F \u002Findex.html;\n    # index.html文件不可以设置强缓存 设置协商缓存即可\n    add_header Cache-Control 'no-cache, must-revalidate, proxy-revalidate, max-age=0';\n}\n```\n\n## 接口反向代理\n```language\nlocation ^~ \u002Fapi\u002F {\n    # 跨域处理 设置头部域名\n    add_header Access-Control-Allow-Origin *;\n    # 跨域处理 设置头部方法\n    add_header Access-Control-Allow-Methods 'GET,POST,DELETE,OPTIONS,HEAD';\n    # 改写路径\n    rewrite ^\u002Fapi\u002F(.*)$ \u002F$1 break;\n    # 反向代理\n    proxy_pass http:\u002F\u002Fstatic_env;\n    proxy_set_header Host $http_host;\n}\n```\n\n## 静态资源设置七天强缓存\n```language\nlocation ~* \\.(?:css(\\.map)?|js(\\.map)?|gif|svg|jfif|ico|cur|heic|webp|tiff?|mp3|m4a|aac|ogg|midi?|wav|mp4|mov|webm|mpe?g|avi|ogv|flv|wmv)$ {\n    # 静态资源设置七天强缓存\n    expires 7d;\n    access_log off;\n}\n```\n\n## 以目录去区分多个history单文件\n```language\nserver {\n    listen 80;\n    server_name taobao.com;\n    index index.html index.htm;\n    # 通过正则来匹配捕获 [tmall|alipay]中间的这个路径\n    location ~ ^\u002F([^\\\u002F]+)\u002F(.*)$ {\n        try_files $uri $uri\u002F \u002F$1\u002Fdist\u002Findex.html =404;\n    }\n}\n```\n\n\n\n\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002F1658709313228.png","PUBLISHED",false,null,882,"2022-07-25T00:37:59.000Z","2026-05-23T04:32:16.000Z",{"id":25,"name":26,"slug":26},"9ed9827c-9cbb-42da-80e4-d04c7fdba886","开发工具",{"id":28,"name":29,"avatar":20},"f9d0f2de-c700-4f90-b535-afd3dbe78128","Admin",[31],{"id":5,"name":6,"slug":7},{"id":33,"title":34,"slug":35,"content":36,"excerpt":34,"coverImage":37,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":38,"publishedAt":39,"createdAt":39,"updatedAt":40,"category":41,"author":44,"tags":45},"0b638ebb-4979-46a5-9282-d51b27d29eee","通过Nginx实现链接重定向","通过nginx实现链接重定向","- 通过nginx实现链接重定向\n- 如果只是单纯地借助nginx实现重定向，可以通过rewrite来实现。\n\n- 需求：\n> 请求 \u002Ffoo\u002Fxxx时，重定向到 另一个站点的\u002Fbar\u002Fxxx\n\n```language\nserver {\n        listen  80;\n        # ...\n\t    rewrite ^\u002Ffoo\u002F(.*)$ http:\u002F\u002Fanother-site.com\u002Fbar\u002F$1 break;\n}\n```\n\n\n> rewrite的第一个参数是一个正则表达式，()之内是一个capture，捕获到的内容会放到变量\\$1中。第二个参数使用了\\$1。\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002F1657255221284.png",482,"2022-07-08T04:41:34.000Z","2026-05-24T20:32:19.000Z",{"id":42,"name":43,"slug":43},"d10456a5-e649-4741-a38f-f07f266ce5f2","开发环境",{"id":28,"name":29,"avatar":20},[46],{"id":5,"name":6,"slug":7},{"id":48,"title":49,"slug":50,"content":51,"excerpt":49,"coverImage":52,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":53,"publishedAt":54,"createdAt":54,"updatedAt":55,"category":56,"author":57,"tags":58},"1f52f4a2-f0cb-4a99-8caf-500f128b9f54","Nginx的跨域配置","nginx的跨域配置","\n\n## Nginx配置（这个配置，可以解决 95% 以上的跨域问题）\n\n```shell\n  # HTTP反向代理相关配置开始 >>>\n    location ~ \u002Fpurge(\u002F.*) {\n        proxy_cache_purge cache_one $host$request_uri$is_args$args;\n    }   \n     \n\n    location \u002F {  \n    add_header Access-Control-Allow-Origin * always;\n       add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS, PUT, PATCH, DELETE, HEAD';\n       add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,authorization';\n\n       if ($request_method = 'OPTIONS') {        \n       \treturn 200;\n      }\n        proxy_pass http:\u002F\u002F127.0.0.1:3008;\n        proxy_set_header Host $host:$server_port;\n        proxy_set_header X-Real-IP $remote_addr;\n        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n        proxy_set_header REMOTE-HOST $remote_addr;\n        add_header X-Cache $upstream_cache_status;\n        proxy_set_header X-Host $host:$server_port;\n        proxy_set_header X-Scheme $scheme;\n        proxy_connect_timeout 30s;\n        proxy_read_timeout 86400s;\n        proxy_send_timeout 30s;\n        proxy_http_version 1.1;\n        proxy_set_header Upgrade $http_upgrade;\n        proxy_set_header Connection \\\"upgrade\\\";\n    }\n    # HTTP反向代理相关配置结束 \u003C\u003C\u003C\n```\n\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002Fe2e9f323e8c6d14c0b01479c0208afb8.png",699,"2022-06-01T14:02:10.000Z","2026-05-25T07:15:20.000Z",{"id":42,"name":43,"slug":43},{"id":28,"name":29,"avatar":20},[59],{"id":5,"name":6,"slug":7},3,1,10,{"categories":64,"tags":145,"postCount":325,"tagCount":326,"hotPosts":327},[65,72,78,85,88,95,102,106,113,117,119,124,130,135,139],{"id":66,"name":67,"slug":68,"description":69,"sortOrder":70,"createdAt":71,"updatedAt":71,"postCount":61},"e8d0bd45-d10c-46d3-8afb-0c072df7f8a7","技术","tech","技术文章",0,"2026-06-27T04:18:37.371Z",{"id":73,"name":74,"slug":75,"description":74,"sortOrder":61,"createdAt":76,"updatedAt":9,"postCount":77},"15ac46ad-edf7-4435-9a64-ff78117d58c5","Vue3 生态","vue3-生态","2022-05-21T08:05:39.000Z",6,{"id":79,"name":80,"slug":81,"description":80,"sortOrder":82,"createdAt":83,"updatedAt":9,"postCount":84},"11d4d397-685c-4180-a7b3-9b0e3a1e411e","Css","css",2,"2022-05-23T07:19:37.000Z",9,{"id":42,"name":43,"slug":43,"description":43,"sortOrder":60,"createdAt":86,"updatedAt":9,"postCount":87},"2022-05-24T01:52:41.000Z",13,{"id":89,"name":90,"slug":91,"description":90,"sortOrder":92,"createdAt":93,"updatedAt":9,"postCount":94},"5ed5cc62-43ea-49a2-b0b2-38bc7aae52a0","Vue3","vue3",4,"2022-05-24T01:55:05.000Z",8,{"id":96,"name":97,"slug":98,"description":97,"sortOrder":99,"createdAt":100,"updatedAt":9,"postCount":101},"da130ba9-d4f4-49f3-aa0f-149078097ef0","JavaScript","javascript",5,"2022-05-24T02:22:57.000Z",18,{"id":103,"name":104,"slug":104,"description":104,"sortOrder":77,"createdAt":105,"updatedAt":9,"postCount":61},"d8cbe380-54b3-4a61-a12d-5438c2918574","限时优惠","2022-05-25T07:18:03.000Z",{"id":107,"name":108,"slug":109,"description":108,"sortOrder":110,"createdAt":111,"updatedAt":9,"postCount":112},"e0f3b8d8-cfe7-41fb-802b-a79699d95968","JavaScript插件","javascript插件",7,"2022-06-01T14:08:31.000Z",16,{"id":114,"name":115,"slug":115,"description":115,"sortOrder":94,"createdAt":116,"updatedAt":9,"postCount":77},"4ea3d8af-9cc3-49bb-a9cd-34dbcdc3bd85","构建工具","2022-06-02T07:28:13.000Z",{"id":25,"name":26,"slug":26,"description":26,"sortOrder":84,"createdAt":118,"updatedAt":9,"postCount":94},"2022-06-21T03:35:05.000Z",{"id":120,"name":121,"slug":122,"description":121,"sortOrder":62,"createdAt":123,"updatedAt":9,"postCount":99},"6b9179c3-17b2-43ff-a431-a03d6eb32d89","Vue2 生态","vue2-生态","2022-07-16T13:14:29.000Z",{"id":125,"name":126,"slug":127,"description":126,"sortOrder":128,"createdAt":129,"updatedAt":9,"postCount":99},"73a5f62c-3c47-45b9-9ae2-f29953ae8dc0","Node","node",11,"2022-07-16T13:15:39.000Z",{"id":131,"name":132,"slug":132,"description":132,"sortOrder":133,"createdAt":134,"updatedAt":9,"postCount":82},"2b696c16-48ef-403b-a88b-6e57cfc79596","开发问题",12,"2022-07-16T14:06:54.000Z",{"id":136,"name":137,"slug":137,"description":137,"sortOrder":87,"createdAt":138,"updatedAt":9,"postCount":61},"c0f0561e-a47a-4ecd-8caa-cc1df2315d57","算法","2022-07-16T14:22:34.000Z",{"id":140,"name":141,"slug":142,"description":141,"sortOrder":143,"createdAt":144,"updatedAt":9,"postCount":60},"a629c1f7-29f1-439e-be3c-29670b17ba20","Vue2","vue2",15,"2022-07-16T14:41:51.000Z",[146,152,157,160,165,170,174,178,183,188,193,194,197,202,206,210,215,220,225,230,234,238,242,244,248,253,258,261,264,267,270,273,277,280,282,284,287,291,294,298,302,305,308,310,313,315,319,322],{"id":147,"name":148,"slug":149,"createdAt":150,"updatedAt":151},"076bd8b9-293e-45cb-9dc3-e162007ca474","Axios","axios","2022-06-05T07:41:56.000Z","2025-12-30T07:26:21.000Z",{"id":153,"name":154,"slug":155,"createdAt":156,"updatedAt":9},"2aa7f6d0-1fac-4ed1-b9bb-f3afc813f42c","Axure","axure","2022-06-21T03:35:15.000Z",{"id":158,"name":80,"slug":81,"createdAt":159,"updatedAt":9},"b084ddd8-09be-4e57-98f0-cf4e376aecd7","2022-05-21T09:59:55.000Z",{"id":161,"name":162,"slug":163,"createdAt":164,"updatedAt":9},"78a62bff-ff77-4878-8c25-3e6aae18c668","Docker","docker","2022-07-16T14:34:37.000Z",{"id":166,"name":167,"slug":168,"createdAt":169,"updatedAt":9},"2de16806-ef3f-4e54-a259-d1e1e182468c","Git","git","2022-07-16T14:25:15.000Z",{"id":171,"name":172,"slug":173,"createdAt":159,"updatedAt":9},"994cc226-578b-4a72-a57e-a47a63d2793e","JavaScript生态","javascript生态",{"id":175,"name":176,"slug":177,"createdAt":159,"updatedAt":9},"5086e93c-23b9-43d3-9643-cc87f0e9ee94","JenKins","jenkins",{"id":179,"name":180,"slug":181,"createdAt":182,"updatedAt":9},"b73007a8-bb5c-42a8-9fd9-163033a5b45d","Linux","linux","2022-07-16T14:40:17.000Z",{"id":184,"name":185,"slug":186,"createdAt":187,"updatedAt":9},"0b658b92-dd6b-4db3-a398-9f6d69950a02","Markdown","markdown","2022-07-16T14:39:25.000Z",{"id":189,"name":190,"slug":191,"createdAt":192,"updatedAt":9},"ab034d3a-6e5b-4db5-a2dc-faf4ccbb63f5","Nest","nest","2022-07-16T13:15:49.000Z",{"id":5,"name":6,"slug":7,"createdAt":8,"updatedAt":9},{"id":195,"name":196,"slug":196,"createdAt":8,"updatedAt":9},"0f1cc678-40e4-44b1-b2cf-a6fd8a1c867a","npm",{"id":198,"name":199,"slug":200,"createdAt":201,"updatedAt":9},"a4370d78-70e1-4073-a8f6-3dc5d81fd8fd","Nuxt","nuxt","2022-06-01T13:07:07.000Z",{"id":203,"name":204,"slug":205,"createdAt":159,"updatedAt":9},"d232e01f-048e-4151-8a0a-fff9561f946f","Pinia","pinia",{"id":207,"name":208,"slug":209,"createdAt":8,"updatedAt":9},"14e9ab02-b0bb-4c85-8604-fe6f1f0f33cd","Pnpm","pnpm",{"id":211,"name":212,"slug":213,"createdAt":214,"updatedAt":214},"399d1d38-cc0d-43ce-8baf-c769447a2ebd","React生态","react生态","2023-02-21T02:03:09.000Z",{"id":216,"name":217,"slug":218,"createdAt":219,"updatedAt":9},"c95bbe84-bdd0-410a-86a9-e87958c55f4f","Redis","redis","2022-10-05T05:14:14.000Z",{"id":221,"name":222,"slug":223,"createdAt":224,"updatedAt":9},"6d05f9df-e116-450f-af57-85ed710c4870","Swiper","swiper","2022-06-01T14:08:46.000Z",{"id":226,"name":227,"slug":228,"createdAt":229,"updatedAt":9},"66f3aeb0-84ef-45f6-a43a-944eefc9895a","Vite","vite","2022-06-02T07:28:24.000Z",{"id":231,"name":232,"slug":233,"createdAt":159,"updatedAt":9},"bf5b94d3-090b-4098-a03c-4bc69781fb2d","Vue","vue",{"id":235,"name":236,"slug":237,"createdAt":8,"updatedAt":9},"2f7fb1be-b9c5-4606-b54f-e9f66f2653b2","Vue-Router","vue-router",{"id":239,"name":240,"slug":241,"createdAt":159,"updatedAt":9},"2fef3b91-1c1c-4ae8-b2c1-0e04b4f9b3a2","Vue2生态","vue2生态",{"id":243,"name":90,"slug":91,"createdAt":159,"updatedAt":9},"62b94c93-724f-488d-8fc5-0449971d9204",{"id":245,"name":246,"slug":247,"createdAt":159,"updatedAt":9},"20bff9cd-7848-4c16-8775-42cf12b44b30","Vue3生态","vue3生态",{"id":249,"name":250,"slug":251,"createdAt":252,"updatedAt":9},"c807b2c6-cb12-4409-a1f1-6bea9f330a6b","Vuex","vuex","2022-07-16T13:14:59.000Z",{"id":254,"name":255,"slug":256,"createdAt":257,"updatedAt":9},"5782dff5-2ea2-4427-9696-d4363a7fd5bc","Webpack","webpack","2022-07-16T14:33:41.000Z",{"id":259,"name":260,"slug":260,"createdAt":159,"updatedAt":9},"d0aa41f4-68f8-48d4-a4ed-3a503ea90451","下载",{"id":262,"name":263,"slug":263,"createdAt":159,"updatedAt":9},"a046060c-39ef-474a-8c85-2546aca0e2e5","代码片段",{"id":265,"name":266,"slug":266,"createdAt":159,"updatedAt":9},"fee73435-b2be-4b55-85b1-d133ea96aea4","伪元素",{"id":268,"name":269,"slug":269,"createdAt":159,"updatedAt":9},"436bd369-8c57-4869-8827-e88e50e5e0ab","伪类",{"id":271,"name":272,"slug":272,"createdAt":159,"updatedAt":9},"4c6be544-8a00-4445-92a3-e3dcbaf6142e","动画",{"id":274,"name":275,"slug":275,"createdAt":276,"updatedAt":9},"9321a12e-ea72-49a9-a32d-5566149f812f","图片压缩","2022-08-02T00:37:47.000Z",{"id":278,"name":279,"slug":279,"createdAt":8,"updatedAt":9},"512b16fb-576a-4397-a7c5-dd20e6a8f9ca","布局",{"id":281,"name":26,"slug":26,"createdAt":159,"updatedAt":9},"f32faa96-f2ec-45c6-9a17-2c76062edcb0",{"id":283,"name":43,"slug":43,"createdAt":159,"updatedAt":9},"3c46ed3f-6d6b-4f91-bcb3-af5112860bf5",{"id":285,"name":286,"slug":286,"createdAt":159,"updatedAt":9},"dbfc086a-73a6-4560-814d-593acb61cf98","性能优化",{"id":288,"name":289,"slug":289,"createdAt":290,"updatedAt":9},"1831cd06-0d6b-48f7-94fa-324782fe23cb","拖拽","2022-07-28T12:39:13.000Z",{"id":292,"name":293,"slug":293,"createdAt":8,"updatedAt":9},"9a74300d-06f7-46d0-80d9-8fe67ec0539b","数组",{"id":295,"name":296,"slug":296,"createdAt":297,"updatedAt":9},"19ac8998-7e0a-459b-9702-bb1adca70e8c","文本复制","2022-07-17T01:54:45.000Z",{"id":299,"name":300,"slug":300,"createdAt":301,"updatedAt":9},"5ff33473-71a4-4e02-8c82-f9ea369a768f","时间","2022-07-17T01:51:12.000Z",{"id":303,"name":304,"slug":304,"createdAt":159,"updatedAt":9},"aa47ca4d-d3f6-4cac-b495-2c67c9592c36","最新优惠",{"id":306,"name":307,"slug":307,"createdAt":8,"updatedAt":9},"f6766d54-54fc-405e-932d-b7d550559125","服务器",{"id":309,"name":115,"slug":115,"createdAt":159,"updatedAt":9},"d856559a-03ff-40b4-980d-3f272b998c3c",{"id":311,"name":312,"slug":312,"createdAt":159,"updatedAt":9},"692d5d68-b188-4e5c-aca8-65d0229399a1","渐变",{"id":314,"name":137,"slug":137,"createdAt":159,"updatedAt":9},"38e1fd6b-d7c6-4d62-bf70-7bacc175bea9",{"id":316,"name":317,"slug":317,"createdAt":318,"updatedAt":9},"be7b10bc-49eb-4a03-bea7-ceb915d500fe","规范","2022-07-16T14:41:06.000Z",{"id":320,"name":321,"slug":321,"createdAt":8,"updatedAt":9},"b42e2916-ad62-4b8a-a863-cd8c19a829de","面试",{"id":323,"name":324,"slug":324,"createdAt":8,"updatedAt":9},"7069add9-b636-44f1-9cd4-ea3a6d2b85d3","面试题",104,48,[328,340,352,365,378],{"id":329,"title":330,"slug":330,"content":331,"excerpt":330,"coverImage":332,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":333,"publishedAt":334,"createdAt":334,"updatedAt":335,"category":336,"author":337,"tags":338},"a1bd1f49-6f6d-4fea-9789-b5636e19a6b3","uni-app瀑布流","## 实现思路\n> 获取父组件的列表数组，watch监听数组长度变化，截取后面新的数据，创建两个左右数组，比较左右dom的长度，哪个短，就push一条数据进去，源数组删除一条数据。利用img的load（加载成功）和error方法（加载失败），触发数组的push，实现瀑布流\n\n## 代码实现\n\n```language\n\u003Ctemplate>\n    \u003Cview class=\\\"waterfall\\\">\n        \u003Cview class=\\\"waterfall_left\\\">\n            \u003Cview class=\\\"waterfall_list\\\" v-for=\\\"(item, index) in leftList\\\" :key=\\\"index\\\">\n                \u003CSearch\n                    :name=\\\"item.name\\\"\n                    :image=\\\"item.src\\\"\n                    :label=\\\"item.label\\\"\n                    :item=\\\"item\\\"\n                    @considerPush=\\\"considerPush\\\"\n                >\n                \u003C\u002FSearch>\n            \u003C\u002Fview>\n        \u003C\u002Fview>\n        \u003Cview class=\\\"waterfall_right\\\">\n            \u003Cview class=\\\"waterfall_list\\\" v-for=\\\"(item, index) in rightList\\\" :key=\\\"index\\\">\n                \u003CSearch\n                    :name=\\\"item.name\\\"\n                    :image=\\\"item.src\\\"\n                    :label=\\\"item.label\\\"\n                    :item=\\\"item\\\"\n                    @considerPush=\\\"considerPush\\\"\n                >\n                \u003C\u002FSearch>\n            \u003C\u002Fview>\n        \u003C\u002Fview>\n    \u003C\u002Fview>\n\u003C\u002Ftemplate>\n\n\u003Cscript>\nimport Search from '@\u002Fcomponents\u002Fsearch\u002Fsearch.vue';\nexport default {\n    components: { Search },\n    props: {\n        list: {\n            type: Array,\n            default: () => []\n        }\n    },\n    data() {\n        return {\n            \u002F\u002F 左侧列表\n            leftList: [],\n            \u002F\u002F 右侧列表\n            rightList: [],\n            \u002F\u002F 组件数据备份\n            newList: [],\n            \u002F\u002F默认请求数,主要为了正常排序\n            interceptNumber: 10\n        };\n    },\n    created() {\n        this.touchOff(); \u002F\u002F 触发排列\n    },\n    mounted() {},\n    watch: {\n        list(newValue, oldValue) {\n            this.interceptNumber = newValue.length - oldValue.length;\n            this.touchOff();\n        }\n    },\n    computed: {},\n    methods: {\n        \u002F\u002F 触发重新排列\n        touchOff() {\n            this.newList = [...this.list.slice(-this.interceptNumber)];\n            if (this.newList.length !== 0) {\n                this.leftList.push(this.newList.shift()); \u002F\u002F触发排列\n            }\n        },\n        \u002F\u002F 计算排列\n        considerPush() {\n            this.$nextTick(() => {\n                if (this.newList.length == 0) return; \u002F\u002F没有数据了\n                let leftH = 0;\n                let rightH = 0; \u002F\u002F左右高度\n                let query = uni.createSelectorQuery().in(this);\n                query.selectAll('.waterfall_left').boundingClientRect();\n                query.selectAll('.waterfall_right').boundingClientRect();\n                query.exec(res => {\n                    leftH = res[0].length != 0 ? res[0][0].height : 0; \u002F\u002F防止查询不到做个处理\n                    rightH = res[1].length != 0 ? res[1][0].height : 0;\n                    if (leftH == rightH || leftH \u003C rightH) {\n                        \u002F\u002F 相等 || 左边小\n                        this.leftList.push(this.newList.shift());\n                    } else {\n                        \u002F\u002F 右边小\n                        this.rightList.push(this.newList.shift());\n                    }\n\n                    \u002F\u002F console.log('左右高度：', leftH, rightH, leftH == rightH || leftH \u003C rightH);\n                });\n            });\n        }\n    }\n};\n\u003C\u002Fscript>\n\n\u003Cstyle scoped lang=\\\"scss\\\">\n.waterfall {\n    display: flex;\n    align-items: flex-start;\n    justify-content: flex-start;\n    .waterfall_left {\n        flex: 1;\n    }\n\n    .waterfall_right {\n        flex: 1;\n    }\n}\n\u003C\u002Fstyle>\n\n```\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002F7d4fa8d1d2775177b882a4656e3a5ed5.png",1817,"2022-11-22T07:54:41.000Z","2026-06-26T10:25:05.932Z",{"id":96,"name":97,"slug":98},{"id":28,"name":29,"avatar":20},[339],{"id":171,"name":172,"slug":173},{"id":341,"title":342,"slug":342,"content":343,"excerpt":342,"coverImage":344,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":345,"publishedAt":346,"createdAt":346,"updatedAt":347,"category":348,"author":349,"tags":350},"b2c46bf6-d971-4cce-b21b-052dbea8e8a2","v-html使用img点击实现放大效果","## 代码实现\n```js\n\u002F**\n * JS获取html代码中所有的图片地址\n * @param htmlstr\n * @returns arr 数组\n *\u002F\n\nexport function getimgsrc(htmlstr) {\n    let reg = \u002F\u003Cimg.+?src=('|\\\")?([^'\\\"]+)('|\\\")?(?:\\s+|>)\u002Fg;\n    let arr = [];\n    let tem = 0;\n    \u002F\u002Feslint-disable-next-line\n    while ((tem = reg.exec(htmlstr))) {\n        arr.push(tem[2]); \u002F\u002F eslint-disable-line\n    }\n\n    return arr;\n}\n\n```\n\n\n\n```vue\n\u003Ctemplate>\n    \u003Cdiv class=\\\"image-expansion\\\" :class=\\\"classArr\\\">\n        \u003Cdiv @click.stop=\\\"hanldeImage($event)\\\" v-html=\\\"formatHtmlData\\\">\u003C\u002Fdiv>\n\n        \u003Cel-image-viewer\n            v-if=\\\"imgPreviewUrl\\\"\n            :initial-index=\\\"subscript\\\"\n            :src=\\\"imgPreviewUrl\\\"\n            :on-close=\\\"closeViewer\\\"\n            :url-list=\\\"imgList\\\"\n        >\u003C\u002Fel-image-viewer>\n    \u003C\u002Fdiv>\n\u003C\u002Ftemplate>\n\n\u003Cscript>\nimport { getimgsrc } from '..\u002F..\u002Futils\u002Fgetimgsrc';\nimport ElImageViewer from 'element-ui\u002Fpackages\u002Fimage\u002Fsrc\u002Fimage-viewer';\nexport default {\n    components: {\n        ElImageViewer\n    },\n    props: {\n        htmlData: {\n            type: String,\n            default: () => {\n                return '';\n            }\n        },\n        classArr: {\n            type: Array,\n            default: () => {\n                return ['min'];\n            }\n        },\n\n        isArticle: {\n            type: Boolean,\n            default: () => {\n                return false;\n            }\n        }\n    },\n    data() {\n        return {\n            imgList: [],\n            formatHtmlData: '',\n            imgPreviewUrl: '',\n            subscript: 0\n        };\n    },\n    computed: {},\n\n    watch: {\n        \u002F\u002F监听数据，防止数据不更新\n        htmlData: {\n            handler(newName, oldName) {\n                \u002F\u002F判断是否为文章\n                if (this.isArticle) {\n                    newName ? (this.formatHtmlData = newName.replace(\u002F(\u003C([^>]+)>)\u002Fgi, '').replace(\u002F[\\\r\\\n]\u002Fg, '')) : '';\n                } else {\n                    \u002F\u002F剔除strong和p标签\n                    newName ? (this.formatHtmlData = newName.replace(\u002F(\u003C\\\u002F?strong.*?>)|(\u003C\\\u002F?p.*?>)\u002Fg, '')) : '';\n\n                    \u002F\u002F获取html全部图片，push成图片数组\n                    this.imgList = Object.values(getimgsrc(this.formatHtmlData));\n                    \u002F\u002F获取图片下标\n                    let subscript = this.imgList.indexOf(this.imgPreviewUrl);\n                    this.subscript = subscript > -1 ? subscript : 0;\n                }\n            },\n\n            immediate: true\n        }\n    },\n\n    mounted() {},\n\n    methods: {\n        \u002F\u002F监听点击事件\n        hanldeImage(event) {\n            if (event.target.nodeName === 'IMG' || event.target.nodeName === 'img') {\n                \u002F\u002F获取点击的图片url,decodeURIComponent转码一下，防禁url转码\n                this.imgPreviewUrl = decodeURIComponent(event.target.currentSrc);\n\n                \u002F\u002F获取图片下标\n                let subscript = this.imgList.indexOf(this.imgPreviewUrl);\n                this.subscript = subscript > -1 ? subscript : 0;\n\n                \u002F\u002F禁止遮罩层后面的内容滚动\n                document.documentElement.style.overflowY = 'hidden';\n            } else {\n                this.$emit('goDetail');\n            }\n        },\n\n        \u002F\u002F关闭弹框\n        closeViewer() {\n            this.imgPreviewUrl = '';\n            \u002F\u002F恢复遮罩层后面的内容滚动\n            document.documentElement.style.overflowY = 'auto';\n        }\n    }\n};\n\u003C\u002Fscript>\n\n\u003Cstyle lang=\\\"scss\\\" scoped>\n.image-expansion {\n}\n\n.min {\n    \u002Fdeep\u002F img {\n        cursor: pointer;\n        height: 28px;\n        padding: 0 10px 3px;\n    }\n}\n\n.max {\n    \u002Fdeep\u002F img {\n        cursor: pointer;\n    }\n}\n\n.class1 {\n    \u002Fdeep\u002F div {\n        font-size: 15px;\n        font-family: Microsoft YaHei;\n        font-weight: 400;\n        color: #888888;\n        line-height: 30px;\n    }\n}\n\u003C\u002Fstyle>\n\n\n```\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002Fc77c3fb113d1ab2f67e7afba1ca33b95.png",1571,"2023-01-10T07:22:29.000Z","2026-06-26T10:25:07.650Z",{"id":120,"name":121,"slug":122},{"id":28,"name":29,"avatar":20},[351],{"id":274,"name":275,"slug":275},{"id":353,"title":354,"slug":355,"content":356,"excerpt":354,"coverImage":357,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":358,"publishedAt":359,"createdAt":359,"updatedAt":360,"category":361,"author":362,"tags":363},"9f33b49b-0785-4404-9a4e-d85937e7fc92","在 vue3 中优雅的使用 jsx\u002Ftsx","在-vue3-中优雅的使用-jsx-tsx","## 安装插件（@vitejs\u002Fplugin-vue-jsx）\n```shell\npnpm add @vitejs\u002Fplugin-vue-jsx -D\n```\n\n## 配置vite.config.ts\n```ts\nimport vueJsx from \\\"@vitejs\u002Fplugin-vue-jsx\\\";\n\nexport default defineConfig({\n  plugins: [\n    vueJsx(),\n  ]\n})\n```\n\n## 插值\n```language\n\u002F\u002F vue3模板语法\n\u003Cspan>{{ a + b }}\u003C\u002Fspan>\n\n\u002F\u002F jsx\u002Ftsx\n\u003Cspan>{ a + b }\u003C\u002Fspan>\n```\n\n\n## class与style 绑定\n\n```ts\n\u002F\u002F 模板字符串\n\u003Cdiv className={`header ${ isBg ? 'headerBg' : '' }`}>header\u003C\u002Fdiv>\n\u002F\u002F数组\n\u003Cdiv class={ [ 'header', isBg && 'headerBg' ] } >header\u003C\u002Fdiv>\n```\n\n```ts\nconst color = 'red'\nconst element = \u003Csapn style={{ color, fontSize: '16px' }}>style\u003C\u002Fsapn>\n```\n\n## 条件渲染\n\n```ts\n   setup() {\n       const isShow = false\n       const element = () => {\n           if (isShow) {\n               return \u003Cspan>我是if\u003C\u002Fspan>\n           } else {\n               return \u003Cspan>我是else\u003C\u002Fspan>\n           }\n       }\n       return () => (\n           \u003Cdiv>\n               \u003Cspan v-show={isShow}>我是v-show\u003C\u002Fspan>\n               {\n                   element()\n               }\n               {\n                   isShow ? \u003Cp>我是三目1\u003C\u002Fp> : \u003Cp>我是三目2\u003C\u002Fp>\n               }\n           \u003Cdiv>\n       )\n   }\n```\n\n## 列表渲染\n```language\nsetup() {\n   const listData = [\n       {name: 'Tom', age: 18},\n       {name: 'Jim', age: 20},\n       {name: 'Lucy', age: 16}\n   ]\n   return () => (\n       \u003Cdiv>\n           \u003Cdiv class={'box'}>\n               \u003Cspan>姓名\u003C\u002Fspan>\n               \u003Cspan>年龄\u003C\u002Fspan>\n           \u003C\u002Fdiv>\n           {\n               prop.listData.map(item => {\n                   return \u003Cdiv class={'box'}>\n                       \u003Cspan>{item.name}\u003C\u002Fspan>\n                       \u003Cspan>{item.age}\u003C\u002Fspan>\n                   \u003C\u002Fdiv>\n               })\n           }\n       \u003C\u002Fdiv>\n   )\n}\n\n```\n\n## 事件处理\n\n```language\nsetup() {\n    const clickBox = val => {\n        console.log(val)\n    }\n    return () => (\n        \u003Cdiv class={'box1'} onClick={() => clickBox('box1')}>\n            \u003Cspan>我是box1\u003C\u002Fspan>\n            \u003Cdiv class={'box2'} onClick={() => clickBox('box2')}>\n                \u003Cspan>我是box2\u003C\u002Fspan>\n                \u003Cdiv class={'box3'} onClick={withModifiers(() => clickBox('box3'), ['stop'])}>我是box3\u003C\u002Fdiv>\n            \u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n    )\n}\n```\n\n## v-model\n\n```ts\n\u002F\u002F 正常写法\n\u003Cinput v-model=\\\"value\\\" \u002F> \u002F\u002F vue\n\u003Cinput v-model={value} \u002F> \u002F\u002F jsx\n\n\u002F\u002F 指定绑定值写法\n\u003Cinput v-model:modelValue=\\\"value\\\" \u002F> \u002F\u002F vue\n\u003Cinput v-model={[value,'modelValue']} \u002F> \u002F\u002F jsx\n\n\u002F\u002F 修饰符写法\n\u003Cinput v-model:modelValue.trim=\\\"value\\\" \u002F> \u002F\u002F vue\n\u003Cinput v-model={[value,'modelValue',['trim']]} \u002F> \u002F\u002F jsx\n```\n\n## slot插槽\n\n### 定义插槽\n```ts\nimport { renderSlot } from \\\"vue\\\"\nexport default defineComponent({\n    \u002F\u002F 从ctx中解构出来 slots\n    setup(props, { slots }) {\n        return () => (\n            \u003Cdiv>\n                { renderSlot(slots, 'default') }\n                { slots.title?.() }\n            \u003C\u002Fdiv>\n        )\n    }\n})\n\n```\n\n### 使用插槽\n\n```ts\nimport Vslot from '.\u002FslotTem'\nexport default defineComponent({\n    setup() {\n        return () => (\n            \u003Cdiv class={'box'}>\n                \u003CVslot v-slots={{\n                    title: () => {\n                        return \u003Cp>我是title插槽\u003C\u002Fp>\n                    },\n                    default: () => {\n                        return \u003Cp>我是default插槽\u003C\u002Fp>\n                    }\n                }} \u002F>\n            \u003C\u002Fdiv>\n        )\n    }\n})\n\n```\n\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002F3e4cb0d3df611ee3f57b8ed503e1015e.png",1391,"2023-04-19T09:23:27.000Z","2026-06-26T09:54:47.369Z",{"id":89,"name":90,"slug":91},{"id":28,"name":29,"avatar":20},[364],{"id":243,"name":90,"slug":91},{"id":366,"title":367,"slug":368,"content":369,"excerpt":367,"coverImage":370,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":371,"publishedAt":372,"createdAt":372,"updatedAt":373,"category":374,"author":375,"tags":376},"1dcdd755-0e46-45a3-8998-9a213fd3fcd5","Vue3 导入导出Excel","vue3-导入导出excel","## 安装\n```shell\npnpm add -S XLSX\n```\n\n\n## 方法封装\n```js\nimport * as XLSX from 'xlsx';\n\n\u002F\u002F参数说明\n\u002F\u002Fconfiguration: {\n\u002F\u002F  data: [], \u002F\u002F 导出的数据\n\u002F\u002F  head: {}, \u002F\u002F 导出的数据对应的表头\n\u002F\u002F  name: '', \u002F\u002F 导出的文件名\n\u002F\u002F  label: '', \u002F\u002F 导出的表单名\n\u002F\u002F  widthArr: [], \u002F\u002F 导出的表单列宽\n\u002F\u002F}\n\n\u002F\u002F 导出excel\nexport const ExportXlsx = (configuration) => {\n  const { data, head, name, label, widthArr } = configuration;\n\n  const list = data.map((item) => {\n    const obj = {};\n    for (const k in item) {\n      if (head[k]) {\n        obj[head[k]] = item[k];\n      }\n    }\n    return obj;\n  });\n\n  \u002F\u002F 创建工作表\n  const xLSXData = XLSX.utils.json_to_sheet(list);\n  \u002F\u002F 创建工作簿\n  const wb = XLSX.utils.book_new();\n  \u002F\u002F 将工作表放入工作簿中\n  XLSX.utils.book_append_sheet(wb, xLSXData, label);\n  xLSXData['!cols'] = [];\n  \u002F\u002F 设置列宽\n  widthArr.forEach((item) => {\n    xLSXData['!cols'].push({ wpx: item });\n  });\n\n  \u002F\u002F 生成文件并下载\n  XLSX.writeFile(wb, `${name}.xlsx`);\n};\n\n\u002F\u002F 导入excel\nexport const ImportXlsx = (e) => {\n  const file = e.target.files[0];\n  const reader = new FileReader();\n  reader.readAsArrayBuffer(file);\n  reader.onload = (e) => {\n    const data = e.target.result;\n    const workbook = XLSX.read(data, { type: 'binary', cellDates: true });\n    const wsname = workbook.SheetNames[0];\n    const outdata = XLSX.utils.sheet_to_json(workbook.Sheets[wsname]);\n    console.log(outdata);\n  };\n};\n\n```\n","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002F80231a326d3846b895a7d46c99e738ce.png",1334,"2023-03-14T06:18:59.000Z","2026-06-26T09:54:47.798Z",{"id":96,"name":97,"slug":98},{"id":28,"name":29,"avatar":20},[377],{"id":171,"name":172,"slug":173},{"id":379,"title":380,"slug":381,"content":382,"excerpt":380,"coverImage":383,"status":18,"isPinned":19,"pinnedAt":20,"viewCount":384,"publishedAt":385,"createdAt":385,"updatedAt":386,"category":387,"author":391,"tags":392},"80920598-a452-4357-bf53-842b200560e8","React18入门到精通教程","react18入门到精通教程","\n## JSX实现列表渲染\n> 使用`map()`方法遍历数组，必须添加`key`属性提高性能\n```jsx\nconst songs = [\n  { id: 1, name: \\\"helo1\\\" },\n  { id: 2, name: \\\"helo2\\\" },\n  { id: 3, name: \\\"helo3\\\" },\n];\n\nfunction App() {\n  return (\n    \u003Cdiv>\n      \u003Cul>\n        {songs.map((song) => (\n          \u002F\u002F 关键：添加唯一key标识符（避免使用索引）\n          \u003Cli key={song.id}>  \n            {song.id}-{song.name}\n          \u003C\u002Fli>\n        ))}\n      \u003C\u002Ful>\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n**最佳实践：**\n1. 使用`\u003Cul>`包裹列表项\n2. `key`应使用稳定唯一标识（如ID），避免数组索引\n3. 空列表处理：`{songs.length > 0 && ...}` 或 `{songs.map(...) || \u003CEmptyView\u002F>}`\n\n## JSX实现条件渲染\n### 简单逻辑\n```jsx\n\u002F\u002F 三元表达式\n{isLoggedIn ? \u003CDashboard \u002F> : \u003CLoginForm \u002F>}\n\n\u002F\u002F 逻辑短路\n{hasNotification && \u003CNotificationBadge count={5} \u002F>}\n\n\u002F\u002F 空值处理\n{userProfile?.avatar || \u003CDefaultAvatar \u002F>}\n```\n\n### 复杂逻辑\n```jsx\nconst renderContent = (type) => {\n  switch(type) {\n    case 'success': \n      return \u003CSuccessAlert \u002F>;\n    case 'error':\n      return \u003CErrorAlert \u002F>;\n    default:\n      return \u003CInfoAlert \u002F>;\n  }\n}\n\nfunction App() {\n  return (\n    \u003Cdiv className=\\\"container\\\">\n      {renderContent(status)}\n      \n      {\u002F* 另一种模式：立即执行函数 *\u002F}\n      {(() => {\n        if (isLoading) return \u003CSpinner \u002F>;\n        if (isEmpty) return \u003CEmptyState \u002F>;\n        return \u003CDataTable \u002F>;\n      })()}\n    \u003C\u002Fdiv>\n  )\n}\n```\n\n## JSX样式处理\n### 行内样式\n```jsx\n\u002F\u002F 直接对象\n\u003Cdiv style={{ \n  color: 'white', \n  backgroundColor: 'teal',\n  padding: '1rem'\n}}>\n\n\u002F\u002F 样式对象复用\nconst alertStyle = {\n  padding: '15px',\n  borderRadius: '4px',\n  margin: '10px 0'\n};\n\nfunction Alert({ type }) {\n  return (\n    \u003Cdiv style={{\n      ...alertStyle,  \u002F\u002F 扩展运算符合并样式\n      background: type === 'error' ? '#f8d7da' : '#d4edda'\n    }}>\n      {message}\n    \u003C\u002Fdiv>\n  )\n}\n```\n\n### 类名控制（推荐）\n```css\n\u002F* styles.module.css *\u002F\n.card {\n  border: 1px solid #ddd;\n  border-radius: 8px;\n  padding: 20px;\n  box-shadow: 0 2px 4px rgba(0,0,0,0.1);\n}\n\n.highlight {\n  background-color: #ffffe0;\n}\n```\n\n```jsx\nimport styles from '.\u002Fstyles.module.css';\n\nfunction ProductCard({ featured }) {\n  return (\n    \u003Cdiv className={`${styles.card} ${featured ? styles.highlight : ''}`}>\n      {\u002F* 内容 *\u002F}\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n## React 18新特性\n### 并发模式（Concurrent Mode）\n```jsx\nimport { startTransition } from 'react';\n\n\u002F\u002F 非紧急状态更新\nfunction handleSearch(query) {\n  startTransition(() => {\n    setSearchQuery(query); \u002F\u002F 可中断的渲染\n  });\n}\n```\n\n### 自动批处理（Automatic Batching）\n```jsx\n\u002F\u002F React 17及之前：两次渲染\n\u002F\u002F React 18：自动批处理，一次渲染\nfunction handleClick() {\n  setCount(c => c + 1);\n  setFlag(f => !f);\n}\n```\n\n## Redux状态管理（现代写法）\n### 安装依赖\n```bash\nnpm install @reduxjs\u002Ftoolkit react-redux\n```\n\n### 创建Store\n```js\n\u002F\u002F store.js\nimport { configureStore, createSlice } from '@reduxjs\u002Ftoolkit';\n\nconst counterSlice = createSlice({\n  name: 'counter',\n  initialState: { value: 0 },\n  reducers: {\n    increment: state => { state.value += 1 },\n    decrement: state => { state.value -= 1 },\n    incrementByAmount: (state, action) => {\n      state.value += action.payload\n    }\n  }\n});\n\n\u002F\u002F 异步操作示例\nexport const fetchUserData = () => async (dispatch) => {\n  const response = await fetch('\u002Fapi\u002Fuser');\n  dispatch(setUser(await response.json()));\n};\n\nexport const store = configureStore({\n  reducer: {\n    counter: counterSlice.reducer,\n    \u002F\u002F 其他reducer...\n  }\n});\n\nexport const { increment, decrement } = counterSlice.actions;\n```\n\n### 组件集成\n```jsx\n\u002F\u002F index.js\nimport { Provider } from 'react-redux';\nimport { store } from '.\u002Fstore';\n\nroot.render(\n  \u003CProvider store={store}>\n    \u003CApp \u002F>\n  \u003C\u002FProvider>\n);\n\n\u002F\u002F Counter.js\nimport { useSelector, useDispatch } from 'react-redux';\nimport { increment, decrement } from '.\u002Fstore';\n\nfunction Counter() {\n  const count = useSelector(state => state.counter.value);\n  const dispatch = useDispatch();\n\n  return (\n    \u003Cdiv>\n      \u003Cbutton onClick={() => dispatch(decrement())}>-\u003C\u002Fbutton>\n      \u003Cspan>{count}\u003C\u002Fspan>\n      \u003Cbutton onClick={() => dispatch(increment())}>+\u003C\u002Fbutton>\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n## 最佳实践总结\n1. **组件设计**：遵循单一职责原则，拆分智能组件（容器组件）和展示组件\n2. **状态管理**：\n   - 局部状态用`useState`\u002F`useReducer`\n   - 全局共享状态用Redux\n   - 避免过度使用状态提升\n3. **性能优化**：\n   - 使用`React.memo`记忆组件\n   - 使用`useCallback`\u002F`useMemo`避免不必要的重渲染\n   - 虚拟化长列表（react-window）\n4. **Hooks规范**：\n   - 避免在循环\u002F条件中使用Hook\n   - 自定义Hook以`use`前缀命名\n5. **TypeScript集成**：\n   ```tsx\n   interface UserCardProps {\n     name: string;\n     age: number;\n     onSelect: (id: string) => void;\n   }\n   \n   const UserCard: React.FC\u003CUserCardProps> = ({ name, age }) => (\n     \u003Cdiv>{name} ({age})\u003C\u002Fdiv>\n   )\n   ```\n\n下面为您完善教程，增加React路由和生命周期相关内容：\n\n## React路由管理（React Router v6）\n\n### 安装与基础配置\n```bash\nnpm install react-router-dom@6\n```\n\n### 路由基础结构\n```jsx\n\u002F\u002F index.js\nimport { BrowserRouter } from 'react-router-dom';\n\nconst root = ReactDOM.createRoot(document.getElementById('root'));\nroot.render(\n  \u003CBrowserRouter>\n    \u003CApp \u002F>\n  \u003C\u002FBrowserRouter>\n);\n\n\u002F\u002F App.js\nimport { Routes, Route, Link } from 'react-router-dom';\n\nfunction App() {\n  return (\n    \u003Cdiv>\n      \u003Cnav>\n        \u003CLink to=\\\"\u002F\\\">首页\u003C\u002FLink>\n        \u003CLink to=\\\"\u002Fabout\\\">关于\u003C\u002FLink>\n        \u003CLink to=\\\"\u002Fusers\\\">用户列表\u003C\u002FLink>\n      \u003C\u002Fnav>\n      \n      \u003CRoutes>\n        \u003CRoute path=\\\"\u002F\\\" element={\u003CHome \u002F>} \u002F>\n        \u003CRoute path=\\\"\u002Fabout\\\" element={\u003CAbout \u002F>} \u002F>\n        \u003CRoute path=\\\"\u002Fusers\\\" element={\u003CUserList \u002F>} \u002F>\n        \u003CRoute path=\\\"\u002Fusers\u002F:id\\\" element={\u003CUserDetail \u002F>} \u002F>\n        \u003CRoute path=\\\"*\\\" element={\u003CNotFound \u002F>} \u002F>\n      \u003C\u002FRoutes>\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n### 嵌套路由\n```jsx\n\u002F\u002F Dashboard.js\nimport { Outlet } from 'react-router-dom';\n\nfunction Dashboard() {\n  return (\n    \u003Cdiv>\n      \u003Ch2>仪表盘\u003C\u002Fh2>\n      \u003COutlet \u002F> {\u002F* 子路由渲染位置 *\u002F}\n    \u003C\u002Fdiv>\n  );\n}\n\n\u002F\u002F 路由配置\n\u003CRoutes>\n  \u003CRoute path=\\\"\u002Fdashboard\\\" element={\u003CDashboard \u002F>}>\n    \u003CRoute index element={\u003CDashboardHome \u002F>} \u002F>\n    \u003CRoute path=\\\"settings\\\" element={\u003CDashboardSettings \u002F>} \u002F>\n    \u003CRoute path=\\\"analytics\\\" element={\u003CDashboardAnalytics \u002F>} \u002F>\n  \u003C\u002FRoute>\n\u003C\u002FRoutes>\n```\n\n### 编程式导航\n```jsx\nimport { useNavigate, useParams, useLocation } from 'react-router-dom';\n\nfunction UserCard({ user }) {\n  const navigate = useNavigate();\n  \n  return (\n    \u003Cdiv onClick={() => navigate(`\u002Fusers\u002F${user.id}`)}>\n      {user.name}\n    \u003C\u002Fdiv>\n  );\n}\n\nfunction UserDetail() {\n  const { id } = useParams(); \u002F\u002F 获取URL参数\n  const location = useLocation(); \u002F\u002F 获取位置对象\n  \n  return (\n    \u003Cdiv>\n      \u003Ch2>用户ID: {id}\u003C\u002Fh2>\n      \u003Cp>当前路径: {location.pathname}\u003C\u002Fp>\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n### 路由守卫（认证保护）\n```jsx\nimport { Navigate } from 'react-router-dom';\n\nfunction ProtectedRoute({ children }) {\n  const { isAuthenticated } = useAuth();\n  \n  if (!isAuthenticated) {\n    return \u003CNavigate to=\\\"\u002Flogin\\\" replace \u002F>;\n  }\n  \n  return children;\n}\n\n\u002F\u002F 使用\n\u003CRoute \n  path=\\\"\u002Fdashboard\\\" \n  element={\n    \u003CProtectedRoute>\n      \u003CDashboard \u002F>\n    \u003C\u002FProtectedRoute>\n  } \n\u002F>\n```\n\n## React生命周期\n\n### 类组件生命周期方法\n\n```jsx\nclass LifecycleDemo extends React.Component {\n  \u002F\u002F 1. 初始化阶段\n  constructor(props) {\n    super(props);\n    this.state = { count: 0 };\n    console.log('Constructor');\n  }\n\n  \u002F\u002F 2. 挂载阶段\n  componentDidMount() {\n    console.log('Component did mount');\n    \u002F\u002F 适合进行API调用、事件订阅\n    this.timer = setInterval(() => {\n      this.setState(prev => ({ count: prev.count + 1 }));\n    }, 1000);\n  }\n\n  \u002F\u002F 3. 更新阶段\n  shouldComponentUpdate(nextProps, nextState) {\n    console.log('Should component update?');\n    return nextState.count !== this.state.count;\n  }\n\n  componentDidUpdate(prevProps, prevState) {\n    console.log('Component did update');\n  }\n\n  \u002F\u002F 4. 卸载阶段\n  componentWillUnmount() {\n    console.log('Component will unmount');\n    \u002F\u002F 清理操作\n    clearInterval(this.timer);\n  }\n\n  render() {\n    console.log('Render');\n    return \u003Cdiv>Count: {this.state.count}\u003C\u002Fdiv>;\n  }\n}\n```\n\n### 函数组件生命周期（Hooks实现）\n\n```jsx\nimport { useState, useEffect } from 'react';\n\nfunction FunctionLifecycle() {\n  const [count, setCount] = useState(0);\n  const [data, setData] = useState(null);\n\n  \u002F\u002F 相当于componentDidMount + componentDidUpdate\n  useEffect(() => {\n    console.log('每次渲染后执行');\n  });\n\n  \u002F\u002F 相当于componentDidMount\n  useEffect(() => {\n    console.log('组件挂载后执行');\n    \n    \u002F\u002F 数据获取\n    fetch('\u002Fapi\u002Fdata')\n      .then(res => res.json())\n      .then(setData);\n    \n    \u002F\u002F 相当于componentWillUnmount\n    return () => {\n      console.log('组件卸载前执行');\n    };\n  }, []); \u002F\u002F 空依赖数组\n\n  \u002F\u002F 依赖变化时执行\n  useEffect(() => {\n    console.log('count变化时执行:', count);\n    \n    document.title = `Count: ${count}`;\n    \n    return () => {\n      console.log('清理count效果');\n    };\n  }, [count]); \u002F\u002F count依赖\n\n  return (\n    \u003Cdiv>\n      \u003Cp>Count: {count}\u003C\u002Fp>\n      \u003Cbutton onClick={() => setCount(c => c + 1)}>增加\u003C\u002Fbutton>\n      {data && \u003Cpre>{JSON.stringify(data, null, 2)}\u003C\u002Fpre>}\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n### 生命周期阶段对比\n\n| 阶段 | 类组件方法 | 函数组件Hook |\n|------|------------|--------------|\n| **挂载** | constructor | useState初始化 |\n|       | render      | 函数体执行    |\n|       | componentDidMount | useEffect(() => {}, []) |\n| **更新** | shouldComponentUpdate | React.memo, useMemo |\n|       | render      | 函数体执行    |\n|       | componentDidUpdate | useEffect(() => {}) |\n| **卸载** | componentWillUnmount | useEffect返回函数 |\n| **错误处理** | componentDidCatch | 暂无直接等效，需错误边界组件 |\n\n### 现代React开发建议\n\n1. **优先使用函数组件+Hooks**：\n   - 90%的场景可替代类组件\n   - 更简洁的代码结构\n   - 更好的逻辑复用\n\n2. **关键生命周期替代**：\n   - `componentDidMount` → `useEffect(() => {}, [])`\n   - `componentDidUpdate` → `useEffect(() => {})` 或带依赖的 `useEffect`\n   - `componentWillUnmount` → `useEffect(() => { return cleanup }, [])`\n   - `shouldComponentUpdate` → `React.memo` 或 `useMemo`\n\n3. **数据获取最佳实践**：\n```jsx\nuseEffect(() => {\n  let isMounted = true;\n  \n  const fetchData = async () => {\n    try {\n      const result = await api.getData();\n      if (isMounted) setData(result);\n    } catch (error) {\n      if (isMounted) setError(error);\n    }\n  };\n  \n  fetchData();\n  \n  return () => {\n    isMounted = false; \u002F\u002F 避免组件卸载后设置状态\n  };\n}, []);\n```\n\n## 路由与生命周期整合示例\n\n```jsx\nfunction UserProfile() {\n  const { id } = useParams();\n  const [user, setUser] = useState(null);\n  const [loading, setLoading] = useState(true);\n\n  useEffect(() => {\n    let isActive = true;\n    \n    const fetchUser = async () => {\n      try {\n        setLoading(true);\n        const data = await fetchUserById(id);\n        if (isActive) {\n          setUser(data);\n          setLoading(false);\n        }\n      } catch (error) {\n        if (isActive) {\n          setError(error.message);\n          setLoading(false);\n        }\n      }\n    };\n    \n    fetchUser();\n    \n    return () => {\n      isActive = false; \u002F\u002F 清理效果\n    };\n  }, [id]); \u002F\u002F id变化时重新获取\n\n  if (loading) return \u003CSpinner \u002F>;\n  \n  return (\n    \u003Cdiv>\n      \u003Ch2>{user.name}\u003C\u002Fh2>\n      \u003Cp>Email: {user.email}\u003C\u002Fp>\n    \u003C\u002Fdiv>\n  );\n}\n```\n\n## 完整项目结构建议\n\n```\nsrc\u002F\n├── components\u002F      # 通用UI组件\n├── pages\u002F           # 页面组件\n├── layouts\u002F         # 布局组件\n├── hooks\u002F           # 自定义Hooks\n├── store\u002F           # Redux状态\n│   ├── slices\u002F\n│   └── store.js\n├── services\u002F        # API服务\n├── routers\u002F         # 路由配置\n├── utils\u002F           # 工具函数\n├── assets\u002F          # 静态资源\n└── App.js           # 主应用组件\n```\n\n这些新增内容涵盖了React路由的现代用法（v6版本）以及React生命周期的详细解释，包括类组件和函数组件的实现方式对比。同时还提供了路由与生命周期整合的实际示例，帮助开发者理解如何在真实项目中应用这些概念。","https:\u002F\u002Fcdn.xiaolong0418.com\u002Fmyblog\u002Fimages\u002F46e205aa1bd33d1bb7201019fc2fdf43.png",1147,"2023-02-21T02:01:52.000Z","2026-06-26T10:25:15.418Z",{"id":388,"name":389,"slug":390},"f1701085-b8c1-413a-8750-58e7a0a33832","React","react",{"id":28,"name":29,"avatar":20},[393],{"id":211,"name":212,"slug":213}]