{"id":152315,"date":"2020-09-07T10:11:48","date_gmt":"2020-09-07T02:11:48","guid":{"rendered":"http:\/\/4563.org\/?p=152315"},"modified":"2020-09-07T10:11:48","modified_gmt":"2020-09-07T02:11:48","slug":"%e7%9c%8b-vue-%e6%ba%90%e7%a0%81%e6%97%b6%e7%9c%8b%e5%88%b0%e4%ba%86%e8%bf%99%e4%b9%88%e4%b8%80%e6%ae%b5","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=152315","title":{"rendered":"\u770b vue \u6e90\u7801\u65f6\u770b\u5230\u4e86\u8fd9\u4e48\u4e00\u6bb5"},"content":{"rendered":"
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\u770b vue \u6e90\u7801\u65f6\u770b\u5230\u4e86\u8fd9\u4e48\u4e00\u6bb5 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : Hoshinokozo <\/span> <\/i> 19<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n
 \/*\u4e24\u4e2a VNode \u8282\u70b9\u76f8\u540c\u5219\u76f4\u63a5\u8fd4\u56de*\/     if (oldVnode === vnode) {       return     } <\/code><\/pre>\n
\u6ca1\u8bb0\u9519\u7684\u8bdd\uff0coldVnode \u548c vnode \u90fd\u662f\u5bf9\u8c61\uff0c\u8fd9\u6837\u7684\u5bf9\u6bd4\u6709\u4ec0\u4e48\u610f\u4e49\u5462\uff0c\u96be\u9053\u662f\u5224\u65ad\u8fd9\u4e24\u4e2a\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\u5417\uff1f<\/p>\n
\u5b9e\u5728\u662f\u6ca1\u5f04\u660e\u767d\uff0c\u6c42\u89e3\u7b54<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (7<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : nnnToTnnn <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5355\u770b\u8fd9\u6bb5\u4ee3\u7801\uff0c\u8111\u6b8b\u7684\u5199\u6cd5\u3002 \u4f46\u662f\u5982\u679c\u7ed3\u5408\u4e0a\u4e0b\u6587\u770b\u5c31\u4e0d\u4e00\u5b9a\u4e86\u3002<\/p>\n
    const oldVnode = {‘test’: 1}
    const vnode = oldVnode <\/p>\n
    if (oldVnode === vnode) {
     return
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : nnnToTnnn <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6839\u636e\u8fd9\u4e2a\u903b\u8f91\uff0c\u53ef\u4ee5\u7b80\u5355\u5224\u65ad\u5230\u5e95\u662f\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u8fd8\u662f\u65e7\u7684\u5bf9\u8c61\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : optional <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 vue 3? vue3 \u91cc\u6709\u9759\u6001 node \u63d0\u5347\u7684\u7279\u6027\uff0c\u5bf9\u4e8e\u9759\u6001\u7684 node\uff0c\u6bcf\u6b21\u6e32\u67d3\u7684\u5bf9\u8c61\u662f\u540c\u4e00\u4e2a\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : nnnToTnnn <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 const oldVnode = {‘test’: 1}
    let vnode = oldVnode<\/p>\n
    if (oldVnode.test === 2) {
     vnode = {‘test’: 3}
    }<\/p>\n
    if (oldVnode === vnode) {
    return
    }<\/p>\n
    \u4f60\u5728\u770b\u8fd9\u4e2a\u6bd4\u8f83\uff0c\u662f\u4e0d\u662f\u5c31\u5b58\u5728\u5f88\u5927\u7684\u610f\u4e49\u4e86\uff1f \u770b\u4ee3\u7801\u8981\u7ed3\u5408\u4e0a\u4e0b\u6587\u6765\u770b\uff0c\u5355\u7ed9\u4e00\u6bb5\u4ee3\u7801\uff0c\u770b\u4e2a\u5bc2\u5bde\u554a\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Hoshinokozo <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @optional vue2                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : blindie <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6d45\u6bd4\u8f83\u5e38\u7528\u5199\u6cd5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : akatquas <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5927\u6982\u662f\u5982\u679c\u91cd\u65b0\u6267\u884c render\uff0c\u4f1a\u5f97\u5230\u65b0\u7684\u4e00\u4e2a\u5bf9\u8c61\u3002
    \u90a3\u4e48\u53cd\u63a8\uff0c\u5982\u679c\u4e0d\u662f\u65b0\u7684\u5bf9\u8c61\uff0c\u5219\u4e0d\u9700\u8981\u6bd4\u8f83\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u770b vue \u6e90\u7801\u65f6\u770b\u5230\u4e86\u8fd9\u4e48\u4e00\u6bb5 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/152315"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=152315"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/152315\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=152315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=152315"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=152315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}