{"id":541,"date":"2023-12-18T20:14:50","date_gmt":"2023-12-18T12:14:50","guid":{"rendered":"http:\/\/ericw.top\/?p=541"},"modified":"2024-09-04T10:27:41","modified_gmt":"2024-09-04T02:27:41","slug":"vue-%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"http:\/\/ericw.top\/?p=541","title":{"rendered":"Vue \u6307\u4ee4"},"content":{"rendered":"\n

Vue \u4f1a\u6839\u636e\u4e0d\u540c\u7684\u6307\u4ee4<\/strong>\uff0c\u6b63\u5bf9\u6807\u7b7e\u5b9e\u73b0\u4e0d\u540c\u7684\u529f\u80fd<\/strong><\/p>\n\n\n\n

\u6307\u4ee4\uff1a\u5e26\u6709v-\u524d\u7f00\u7684\u7279\u6b8a\u6807\u7b7e<\/strong><\/p>\n\n\n\n

\u4f8b\uff1av-html<\/code> \u52a8\u6001\u8bbe\u7f6e\u5143\u7d20HTML<\/p>\n\n\n\n

<div v-html="str"><\/div><\/code><\/pre>\n\n\n\n
v-html<\/h2>\n\n\n\n
  <div id="app">\n    <div v-html="msg"><\/div>\n  <\/div>\n\n<script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        msg: `\n          <a href="http:\/\/www.itcast.cn">\u5b66it, \u6765\u9ed1\u9a6c<\/a>\n        `\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
v-show \u548c v-if<\/h2>\n\n\n\n
v-show<\/code><\/p>\n\n\n\n
1\u3001\u4f5c\u7528\uff1a<\/strong>\u63a7\u5236\u5143\u7d20\u663e\u793a\u9690\u85cf<\/p>\n\n\n\n
2\u3001\u8bed\u6cd5\uff1a<\/strong>v-show = "\u8868\u8fbe\u5f0f"<\/code>  \u8868\u8fbe\u5f0f\u503ctrue\u663e\u793a\uff0cfalse\u9690\u85cf<\/strong><\/p>\n\n\n\n
3\u3001\u539f\u7406\uff1a<\/strong>\u5207\u6362 display:none<\/code><\/strong> \u63a7\u5236\u663e\u793a\u9690\u85cf<\/p>\n\n\n\n
4\u3001\u573a\u666f\uff1a<\/strong> \u9891\u7e41\u5207\u6362\u663e\u793a\u9690\u85cf<\/strong>\u7684\u573a\u666f<\/p>\n\n\n\n
v-if<\/code><\/p>\n\n\n\n
1\u3001\u4f5c\u7528\uff1a<\/strong>\u63a7\u5236\u5143\u7d20\u663e\u793a\u9690\u85cf\uff08\u6761\u4ef6\u6e32\u67d3\uff09<\/strong><\/p>\n\n\n\n
2\u3001\u8bed\u6cd5\uff1a<\/strong>v-if = "\u8868\u8fbe\u5f0f"<\/code>  \u8868\u8fbe\u5f0f\u503ctrue\u663e\u793a\uff0cfalse\u9690\u85cf<\/strong><\/p>\n\n\n\n
3\u3001\u539f\u7406\uff1a<\/strong>\u57fa\u4e8e\u6761\u4ef6\u5224\u65ad\uff0c\u662f\u5426\u521b\u5efa<\/strong>\u548c\u79fb\u9664<\/strong>\u5143\u7d20\u8282\u70b9<\/p>\n\n\n\n
4\u3001\u573a\u666f\uff1a<\/strong>\u8981\u4e48\u663e\u793a\uff0c\u8981\u4e48\u9690\u85cf\uff0c\u4e0d\u9891\u7e41\u5207\u6362\u7684\u573a\u666f<\/strong><\/p>\n\n\n\n
\u4f8b\uff1a<\/p>\n\n\n\n
  <!-- v-show \u63a7\u5236\u7684\u662fcss display:none \u6765\u663e\u793a\u9690\u85cf-->\n  <!-- v-if   \u6839\u636e\u5224\u65ad\u6761\u4ef6 \u63a7\u5236\u7684\u662f\u5143\u7d20 \u521b\u5efa\u548c\u79fb\u9664\uff08\u6761\u4ef6\u6e32\u67d3\uff09-->  \n  <div id="app">\n    <div v-show="flag" class="box">\u6211\u662fv-show\u63a7\u5236\u7684\u76d2\u5b50<\/div>\n    <div v-if="flag" class="box">\u6211\u662fv-if\u63a7\u5236\u7684\u76d2\u5b50<\/div>\n  <\/div>\n\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        flag: true\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
v-else \u548c v-else-if<\/h2>\n\n\n\n
1\u3001\u4f5c\u7528\uff1a<\/strong>\u8f85\u52a9 v-if<\/code>  \u8fdb\u884c\u5224\u65ad\u6e32\u67d3<\/p>\n\n\n\n
2\u3001\u8bed\u6cd5\uff1a<\/strong>v-else<\/code>  v-else-if="\u8868\u8fbe\u5f0f"<\/code><\/p>\n\n\n\n
3\u3001\u6ce8\u610f\uff1a<\/strong>\u9700\u8981\u7d27\u6328\u7740 v-if<\/code> \u4e00\u8d77\u4f7f\u7528
\nv-else \u548c v-else-if \u4e0d\u80fd\u5355\u72ec\u4f7f\u7528<\/strong><\/p>\n\n\n\n
\u4f8b\uff1a<\/p>\n\n\n\n
  <div id="app">\n    <p v-if="gender === 1">\u6027\u522b\uff1a\u2642 \u7537<\/p>\n    <p v-else>\u6027\u522b\uff1a\u2640 \u5973<\/p>\n    <hr>\n    <p v-if="score === 100">\u6210\u7ee9\u8bc4\u5b9aA\uff1a\u5956\u52b1\u7535\u8111\u4e00\u53f0<\/p>\n    <p v-else-if="score >=80">\u6210\u7ee9\u8bc4\u5b9aB\uff1a\u5956\u52b1\u5468\u672b\u90ca\u6e38<\/p>\n    <p v-else-if="score >=60">\u6210\u7ee9\u8bc4\u5b9aC\uff1a\u5956\u52b1\u96f6\u98df\u793c\u5305<\/p>\n    <p v-else>\u6210\u7ee9\u8bc4\u5b9aD\uff1a\u60e9\u7f5a\u4e00\u5468\u4e0d\u80fd\u73a9\u624b\u673a<\/p>\n  <\/div>\n\n  <script src=".\/vue.js"><\/script>\n  <script>\n\n    const app = new Vue({\n      el: '#app',\n      data: {\n        gender: 1,\n        score: 82\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
v-on<\/h2>\n\n\n\n
1\u3001\u4f5c\u7528\uff1a<\/strong>\u6ce8\u518c\u65f6\u95f4 = \u6dfb\u52a0\u76d1\u542c + \u63d0\u4f9b\u5904\u7406\u903b\u8f91<\/p>\n\n\n\n
2\u3001\u8bed\u6cd5\uff1a<\/strong><\/p>\n\n\n\n
    \n
  1. v-on:\u4e8b\u4ef6\u540d = "\u5185\u8054\u8bed\u53e5"<\/code><\/li>\n<\/ol>\n\n\n\n
    <button v-on:click=\u201dcount++\u201c>\u6309\u94ae<\/button><\/code><\/pre>\n\n\n\n
      \n
    1. v-on:\u4e8b\u4ef6\u540d = "methods\u4e2d\u7684\u51fd\u6570\u540d"<\/code><\/li>\n<\/ol>\n\n\n\n
      <button @click"fn">\u6309\u94ae<\/button><\/code><\/pre>\n\n\n\n
      3\u3001\u7b80\u5199\uff1a<\/strong>v-on:\u4e8b\u4ef6\u540d<\/code>  =  @\u4e8b\u4ef6\u540d<\/code><\/p>\n\n\n\n
      \u4f8b\uff1av-on\u6dfb\u52a0\u5185\u8054\u8bed\u53e5<\/strong>  \u52a0\u51cf\u6848\u4f8b<\/p>\n\n\n\n
        <div id="app">\n    <button v-on:click="count--">-<\/button>\n    <span>{{ count }}<\/span>\n    <button @click="count++">+<\/button>\n  <\/div>\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        count: 1\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
      \u4f8b\uff1av-on\u6dfb\u52a0methods\u51fd\u6570<\/strong>  \u663e\u793a\u9690\u85cf\u5207\u6362\u6848\u4f8b<\/p>\n\n\n\n
      <div id="app">\n    <button @click="showfn">\u5207\u6362\u663e\u793a\u9690\u85cf<\/button>\n    <h1 v-show="isShow">\u9ed1\u9a6c\u7a0b\u5e8f\u5458<\/h1>\n  <\/div>\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        isShow: true\n      },\n      methods: {\n        showfn() {\n          \/\/ methods\u4e2d\u7684\u51fd\u6570\uff0c\u9ed8\u8ba4\u4f1a\u7ed1\u5b9athis\u5230\u5f53\u524d\u5b9e\u4f8b\u4e0a\n          \/\/ \u6240\u4ee5\uff0c\u5728methods\u4e2d\u7684\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95eedata\u4e2d\u7684\u6570\u636e\n          app.isShow = !app.isShow\n        }\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
      v-on \u8c03\u7528\u4f20\u53c2<\/h2>\n\n\n\n
      1\u3001\u4f5c\u7528\uff1a<\/strong>\u6ce8\u518c\u65f6\u95f4 = \u6dfb\u52a0\u76d1\u542c + \u63d0\u4f9b\u5904\u7406\u903b\u8f91\uff08\u5e26\u53c2\u6570\u51fd\u6570\uff09<\/p>\n\n\n\n
      2\u3001\u8bed\u6cd5\uff1a<\/strong><\/p>\n\n\n\n
      <button @click="fn(\u53c2\u65701,\u53c2\u65702)">\n    \u6309\u94ae\n<\/button><\/code><\/pre>\n\n\n\n
      const app = new Vue({\n    el:#app\n    methods:{\n      fn(a,b){\n        console:log('\u8fd9\u662f\u4e00\u4e2afn\u51fd\u6570')\n    }\n  }\n})<\/code><\/pre>\n\n\n\n
      \u4f8b\uff1av-on\u6dfb\u52a0\u51fd\u6570\u53c2\u6570<\/strong>  \u7b80\u6613\u8d29\u5356\u673a<\/p>\n\n\n\n
        <div id="app">\n    <div class="box">\n      <h3 v-if="money > 0 ">\u6b22\u8fce\u60a8\u8d2d\u4e70<\/h3>\n      <h3 v-if="money <= 0 ">\u6ca1\u94b1\u5feb\u8d70\u5f00<\/h3>\n      <button @click="buy(5)">\u53ef\u4e505\u5143<\/button>\n      <button @click="buy(10)">\u5496\u556110\u5143<\/button>\n    <\/div>\n    <p>\u94f6\u884c\u5361\u4f59\u989d\uff1a{{ money }}\u5143<\/p>\n  <\/div>\n\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        money: 10\n      },\n      methods: {\n        buy(Money) {\n          this.money -= Money\n          this.money < 0 ? alert('\u6ca1\u94b1\u5feb\u8d70\u5f00') : ''\n        }\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
      v-bind<\/h2>\n\n\n\n
      1\u3001\u4f5c\u7528\uff1a<\/strong>\u52a8\u6001\u8bbe\u7f6ehtml\u7684\u6807\u7b7e\u5c5e\u6027 > src  url  title ...<\/p>\n\n\n\n
      2\u3001\u8bed\u6cd5\uff1a<\/strong>v-bind:\u5c5e\u6027\u540d="\u8868\u8fbe\u5f0f"<\/code><\/p>\n\n\n\n
      3\u3001\u7b80\u5199\uff1a<\/strong>v-bind:\u5c5e\u6027\u540d<\/code> = \uff1asrc<\/code><\/p>\n\n\n\n
      \u4f8b\uff1a\u6e32\u67d3\u56fe\u7247  \u7ed9img\u8bbe\u7f6esrc<\/strong><\/p>\n\n\n\n
        <div id="app">\n    <img v-bind:src="imgUrl" alt="">\n    <img :src="imgUrl" alt="">\n  <\/div>\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        imgUrl: '.\/imgs\/10-01.png'\n      }\n    })\n\n  <\/script><\/code><\/pre>\n\n\n\n
      v-for<\/h2>\n\n\n\n
      1\u3001\u4f5c\u7528\uff1a<\/strong>\u57fa\u4e8e\u6570\u636e<\/strong>\u5faa\u73af\uff0c\u591a\u6b21<\/strong>\u6e32\u67d3\u6574\u4e2a\u5143\u7d20<\/p>\n\n\n\n
      2\u3001\u8bed\u6cd5\uff1a<\/strong>v-for="(item,index) in \u6570\u7ec4"<\/code><\/p>\n\n\n\n
        \n
      • item<\/strong> \u6bcf\u4e00\u9879  index<\/strong> \u4e0b\u6807<\/li>\n<\/ul>\n\n\n\n
        \u4f8b\uff1a\u5faa\u73aflist\u4e2d\u7684\u6bcf\u4e2a\u6c34\u679c  \u5efa\u8bae\u6c34\u679c\u5e97<\/p>\n\n\n\n
          <div id="app">\n    <h3>\u5c0f\u9ed1\u6c34\u679c\u5e97<\/h3>\n    <ul>\n      <li v-for="(item, index) in list">{{ item }}<\/li>\n    <\/ul>\n  <\/div>\n\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        list: ['\u897f\u74dc', '\u82f9\u679c', '\u9e2d\u68a8', '\u9999\u8549', '\u706b\u9f99\u679c', '\u8461\u8404', '\u8349\u8393']\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
        v-for \u4e2d\u7684 key<\/h2>\n\n\n\n
        \u8bed\u6cd5\uff1a<\/strong>key\u5c5e\u6027 = "\u552f\u4e00\u6807\u8bc6"<\/code><\/p>\n\n\n\n
        \u4f5c\u7528\uff1a<\/strong>\u7ed9\u5217\u8868\u9879\u6dfb\u52a0\u7684\u552f\u4e00\u6807\u8bc6<\/strong>\u3002\u4fbf\u4e8eVue\u8fdb\u884c\u5217\u8868\u9879\u7684\u6b63\u786e\u6392\u5e8f\u590d\u7528<\/strong><\/p>\n\n\n\n
        v-for="(item, index) in List" :key="item.id"<\/code><\/pre>\n\n\n\n
        \u4f8b\uff1a\u5220\u9664\u5bf9\u5e94id\uff08\u552f\u4e00\u6807\u8bc6\uff09<\/strong><\/p>\n\n\n\n
          <div id="app">\n    <h3>\u5c0f\u9ed1\u7684\u4e66\u67b6<\/h3>\n    <ul>\n      <li v-for="(item, index) in booksList" :key="item.id">\n        <span>{{ item.name }}<\/span>\n        <button @click="del(item.id)">\u5220\u9664<\/span>\n      <\/li>\n    <\/ul>\n  <\/div>\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        booksList: [\n          { id: 1, name: '\u300a\u7ea2\u697c\u68a6\u300b', author: '\u66f9\u96ea\u82b9' },\n          { id: 2, name: '\u300a\u897f\u6e38\u8bb0\u300b', author: '\u5434\u627f\u6069' },\n          { id: 3, name: '\u300a\u6c34\u6d52\u4f20\u300b', author: '\u65bd\u8010\u5eb5' },\n          { id: 4, name: '\u300a\u4e09\u56fd\u6f14\u4e49\u300b', author: '\u7f57\u8d2f\u4e2d' }\n        ]\n      },\n      methods: {\n        del(id) {\n          this.booksList = this.booksList.filter(item => item.id !== id)\n        }\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
        v-model<\/h2>\n\n\n\n
        1\u3001\u4f5c\u7528\uff1a<\/strong>\u7ed9\u8868\u5355\u5143\u7d20\u4f7f\u7528\uff0c\u53cc\u5411\u6570\u636e\u7ed1\u5b9a<\/strong> > \u5feb\u901f \u83b7\u53d6\u6216\u8bbe\u7f6e<\/strong> \u8868\u5355\u5185\u5bb9<\/p>\n\n\n\n
          \n
        1. \u6570\u636e<\/strong>\u53d8\u5316 > \u89c6\u56fe<\/strong>\u81ea\u52a8\u66f4\u65b0<\/li>\n\n\n\n
        2. \u89c6\u56fe<\/strong>\u53d8\u5316 > \u6570\u636e<\/strong>\u81ea\u52a8\u66f4\u65b0<\/li>\n<\/ol>\n\n\n\n
          2\u3001\u8bed\u6cd5\uff1a<\/strong> <\/p>\n\n\n\n
          \u4f8b\uff1a\u53cc\u5411\u6570\u636e\u7ed1\u5b9a<\/strong>  \u767b\u5f55\u8868\u5355\u5e94\u7528<\/p>\n\n\n\n
            <div id="app">\n    \u8d26\u6237\uff1a<input type="text" v-model="username"> <br><br>\n    \u5bc6\u7801\uff1a<input type="password" v-model="password"> <br><br>\n    <button @click="login">\u767b\u5f55<\/button>\n    <button @click="Reset">\u91cd\u7f6e<\/button>\n  <\/div>\n  <script src=".\/vue.js"><\/script>\n  <script>\n    const app = new Vue({\n      el: '#app',\n      data: {\n        username: '',\n        password: ''\n      },\n      methods: {\n        login() {\n          alert('\u6b22\u8fce\u7528\u6237\uff1a' + this.username + '      \u60a8\u7684\u5bc6\u7801\u957f\u5ea6\u662f\uff1a' + this.password.length\n          )\n        },\n        Reset() {\n          this.username = ''\n          this.password = ''\n        }\n      }\n    })\n  <\/script><\/code><\/pre>\n\n\n\n
          <\/p>\n","protected":false},"excerpt":{"rendered":"
          Vue \u4f1a\u6839\u636e\u4e0d\u540c\u7684\u6307\u4ee4\uff0c\u6b63\u5bf9\u6807\u7b7e\u5b9e\u73b0\u4e0d\u540c\u7684\u529f\u80fd \u6307\u4ee4\uff1a\u5e26\u6709v-\u524d\u7f00\u7684\u7279\u6b8a\u6807\u7b7e \u4f8b\uff1av-html \u52a8\u6001\u8bbe\u7f6e\u5143\u7d20 […]<\/p>\n","protected":false},"author":1,"featured_media":568,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,5],"tags":[],"_links":{"self":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/541"}],"collection":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=541"}],"version-history":[{"count":10,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/541\/revisions"}],"predecessor-version":[{"id":1359,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/541\/revisions\/1359"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/media\/568"}],"wp:attachment":[{"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=541"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}