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听不懂你在说什么 發表於 2019-9-28 22:18:00

4-微信小程序开发(小程序默认页面函数说明)

<p><p><iframe name="ifd" src="https://mnifdv.cn/resource/cnblogs/LearningMiniProgram/" frameborder="0" scrolling="auto" width="100%" height="1500"></iframe></p></p>
<p><iframe name="ifd" src="https://mnifdv.cn/resource/cnblogs/LearningMiniProgram/" frameborder="0" scrolling="auto" width="100%" height="1500"></iframe></p>
<p><span style="font-size: 18pt">https://www.cnblogs.com/yangfengwu/p/11601299.html</span></p>
<p> </p>
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<p><span style="font-size: 24px">首先说一下,怎么让自己的一个项目更改名字成为一个新的项目</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928212620250-1251459691.png" alt=""></span></p>
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<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928212705128-1915044247.png" alt=""></span></p>
<p> </p>
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<p><span style="font-size: 24px">然后用软件导入项目即可</span></p>
<p><span style="font-size: 24px">注:如果没有改文件里面的那个"projectname": "lesson3",  ,用软件打开的时候,你会发现</span></p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928212822602-781461266.png" alt=""></span></p>
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<p><span style="font-size: 24px">这个地方还会显示lesson2,所以一定要按照上面两步修改完再导入工程,</span></p>
<p><span style="font-size: 24px">如果没有修改文件里面那个"projectname": "lesson3" 只修改文件夹名字就导入,会发现后期无论怎么修改"projectname": "lesson3" 左上角照样显示原来的工程名字</span></p>
<p><span style="font-size: 24px">你需要,删除工程文件,关闭微信开发软件,打开微信开发软件</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928213423673-2064439015.png" alt=""></span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928213501834-1090386590.png" alt="">        <img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928213519443-2014528090.png" alt="" style="font-size: 14px"></span></p>
<p><span style="font-size: 24px">然后重新复制一份工程,按照上面的提示修改文件夹名称和那个文件里面的工程名字,重新导入即可</span></p>
<p> </p>
<p><span style="font-size: 24px">本来这节想着做自己的页面,然后跳转查看,不过呢!我感觉还是给大家详细的说一下,小程序当前的页面</span></p>
<p><span style="font-size: 24px">主要讲解这里面的函数</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214200324-246776455.png" alt=""></span></p>
<p> </p>
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<p><span style="font-size: 24px">这里面代码少些,好讲,,,讲完以后大家完全可以举一反三,看另一个文件的代码</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214259439-591671661.png" alt=""></span></p>
<p><span style="font-size: 24px">是在  注:这个知道就好,不是这节的重点哈.....我只是让大家知道怎么进来 logs页面的</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214424824-1067676829.png" alt=""></span></p>
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<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214459727-1782750361.png" alt=""></span></p>
<p> </p>
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<p><span style="font-size: 24px">实际上是微信提供的方法    注:这个知道就好,不是这节的重点哈.....我只是让大家知道怎么进来 logs页面的</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214649000-776537061.png" alt=""></span></p>
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<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214726150-2118315575.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">注:这个知道就好,不是这节的重点哈.....我只是让大家知道怎么进来 logs页面的</span></p>
<p> </p>
<p><span style="font-size: 24px">现在看</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928214916513-146863583.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">每个页面里面都有 data:{ 这里面放各种数据 }    源代码是放了一个数组</span></p>
<p><span style="font-size: 24px">现在看怎么使用这个数组</span></p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">logs.js</span>
<span style="color: rgba(0, 0, 255, 1)">const</span> util = require(<span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">../../utils/util.js</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)">)

Page({
data: {
logs: []
},
onLoad: function () {</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">页面加载的时候条用</span>

<span style="color: rgba(0, 0, 255, 1)">this</span>.data.logs[<span style="color: rgba(128, 0, 128, 1)">1</span>] = <span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">1111111111111</span><span style="color: rgba(128, 0, 0, 1)">"</span>;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数组赋值</span>
console.log(<span style="color: rgba(0, 0, 255, 1)">this</span>.data.logs[<span style="color: rgba(128, 0, 128, 1)">1</span>]);<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">打印数组的值</span>

<span style="color: rgba(0, 0, 255, 1)">this</span><span style="color: rgba(0, 0, 0, 1)">.setData({
   logs: (wx.getStorageSync(</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">logs</span><span style="color: rgba(128, 0, 0, 1)">'</span>) || []).map(log =><span style="color: rgba(0, 0, 0, 1)"> {
   </span><span style="color: rgba(0, 0, 255, 1)">return</span> util.formatTime(<span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> Date(log))
   })
})
}
})</span></pre>
</div>
<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928215448686-559040421.png" alt=""></span></p>
<p> </p>
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<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928215501351-2076076977.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">大家可能不习惯 this.XXXX  习惯了 JS  其实可以</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928215728878-921419997.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928220059758-1965958227.png" alt=""></span></p>
<p> </p>
<p> </p>
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<p><span style="font-size: 24px">data 里面的数据就是用  this.data.XXXX赋值和调用哈</span></p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">咱怎么让变量显示在页面上呢,现在说一下,这个家伙</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928220430543-225529066.png" alt=""></span></p>
<p> </p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928221137864-829328819.png" alt=""></p>
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<div class="cnblogs_code">
<pre>
<view <span style="color: rgba(0, 0, 255, 1)">class</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">container log-list</span><span style="color: rgba(128, 0, 0, 1)">"</span>>

<text>{{qqqqqqqq}}</text>

<block wx:<span style="color: rgba(0, 0, 255, 1)">for</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">{{logs}}</span><span style="color: rgba(128, 0, 0, 1)">"</span> wx:<span style="color: rgba(0, 0, 255, 1)">for</span>-item=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">log</span><span style="color: rgba(128, 0, 0, 1)">"</span>>
<text <span style="color: rgba(0, 0, 255, 1)">class</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">log-item</span><span style="color: rgba(128, 0, 0, 1)">"</span>>{{index + <span style="color: rgba(128, 0, 128, 1)">1</span>}}. {{log}}</text>
</block>
</view></pre>
</div>
<p> </p>
<p><span style="font-size: 18pt">注意凡是显示的变量用   {{  放变量名 }}   变量名在 JS中用  this.SetData({ 变量名:XXXXX })  XXXXX就是控件显示的内容</span></p>
<p> </p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928221222463-2028863926.png" alt=""></p>
<p> </p>
<p> </p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">logs.js</span>
<span style="color: rgba(0, 0, 255, 1)">const</span> util = require(<span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">../../utils/util.js</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)">)

</span><span style="color: rgba(0, 0, 255, 1)">var</span> GlobalValueStr = <span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">测试页面的显示信息1111111111</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">

Page({
data: {
logs: [], </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">data里面定义数据全部按照json格式</span>
str: <span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">测试页面的显示信息222222222</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">
},
onLoad: function () {</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">页面加载的时候条用</span>
<span style="color: rgba(0, 0, 255, 1)">this</span><span style="color: rgba(0, 0, 0, 1)">.setData({
   qqqqqqqq:</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">显示一下哈让我看看</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">
})

</span><span style="color: rgba(0, 0, 255, 1)">this</span><span style="color: rgba(0, 0, 0, 1)">.setData({
   logs: (wx.getStorageSync(</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">logs</span><span style="color: rgba(128, 0, 0, 1)">'</span>) || []).map(log =><span style="color: rgba(0, 0, 0, 1)"> {
   </span><span style="color: rgba(0, 0, 255, 1)">return</span> util.formatTime(<span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> Date(log))
   })
})
}
})</span></pre>
</div>
<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928221244989-204304005.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">现在让它显示JS变量里面的值</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928221405711-1840529360.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928221434716-1615231148.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">因为 </span><span style="font-size: 18pt">onLoad 函数里面有 </span><span style="font-size: 18pt">this.setData 了,所以咱合成一个</span></p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928221712806-655213157.png" alt=""></span></p>
<p> </p>
<p><span style="font-size: 18pt">现在学一个知识点</span></p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928222305316-1536658441.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> <span style="font-size: 18pt">这个应该都知道吧,,,如果JS的函数没有学过,先去百度 JS基础教程哈......</span></p>
<p><span style="font-size: 24px">咱看下一个</span></p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928222613967-1717294018.png" alt=""></p>
<p> </p>
<p> </p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928222751025-103144148.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> <span style="font-size: 18pt">不要变了模样就不认识了</span></p>
<p> </p>
<p><span style="font-size: 24px">好下一个知识点</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928223635260-569145822.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">但是我要是想给数组每一个数据都开平方呢????</span></p>
<p><span style="font-size: 24px">难道</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928223724264-1000175154.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">要是数组很大呢.....用 map</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928224006564-1262476292.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">使用是  数组.map(调用一个带形参计算函数,形参就是数组的每一个值)</span></p>
<p><span style="font-size: 24px">举个例子:  所有的数据都除以2</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928224243575-1004481598.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">当然也可以</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928224603803-995016657.png" alt=""></span></p>
<p> </p>
<p> </p>
<p><span style="font-size: 18pt">再看个知识点</span></p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928231321351-965475156.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<div class="cnblogs_code">
<pre>
<view <span style="color: rgba(0, 0, 255, 1)">class</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">container log-list</span><span style="color: rgba(128, 0, 0, 1)">"</span>>


<block wx:<span style="color: rgba(0, 0, 255, 1)">for</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">{{temptemp}}</span><span style="color: rgba(128, 0, 0, 1)">"</span>>
<text>{{index + <span style="color: rgba(128, 0, 128, 1)">1</span>}}号下标值: {{item}}</text>
</block>

<block wx:<span style="color: rgba(0, 0, 255, 1)">for</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">{{logs}}</span><span style="color: rgba(128, 0, 0, 1)">"</span> wx:<span style="color: rgba(0, 0, 255, 1)">for</span>-item=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">log</span><span style="color: rgba(128, 0, 0, 1)">"</span>>
<text <span style="color: rgba(0, 0, 255, 1)">class</span>=<span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">log-item</span><span style="color: rgba(128, 0, 0, 1)">"</span>>{{index + <span style="color: rgba(128, 0, 128, 1)">1</span>}}. {{log}}</text>
</block>
</view></pre>
</div>
<p> </p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928231412915-1938396168.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">logs.js</span>
<span style="color: rgba(0, 0, 255, 1)">const</span> util = require(<span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">../../utils/util.js</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)">)

</span><span style="color: rgba(0, 0, 255, 1)">var</span> GlobalValueStr = <span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">测试页面的显示信息1111111111</span><span style="color: rgba(128, 0, 0, 1)">"</span>
<span style="color: rgba(0, 0, 255, 1)">var</span> temp = [<span style="color: rgba(128, 0, 128, 1)">36</span>,<span style="color: rgba(128, 0, 128, 1)">4</span>,<span style="color: rgba(128, 0, 128, 1)">64</span>,<span style="color: rgba(128, 0, 128, 1)">100</span><span style="color: rgba(0, 0, 0, 1)">];

function fun(value){
</span><span style="color: rgba(0, 0, 255, 1)">return</span> value/<span style="color: rgba(128, 0, 128, 1)">2</span><span style="color: rgba(0, 0, 0, 1)">;
}
</span><span style="color: rgba(0, 0, 255, 1)">var</span> funst = value=><span style="color: rgba(0, 0, 0, 1)">{
</span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> value;
}

Page({
data: {
logs: [], </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">data里面定义数据全部按照json格式</span>
str: <span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">测试页面的显示信息222222222</span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(0, 0, 0, 1)">
},
onLoad: function () {</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">页面加载的时候条用</span>
<span style="color: rgba(0, 0, 0, 1)">
temp </span>= temp.map( value => { <span style="color: rgba(0, 0, 255, 1)">return</span> value/<span style="color: rgba(128, 0, 128, 1)">2</span><span style="color: rgba(0, 0, 0, 1)"> } );

console.log( temp );

</span><span style="color: rgba(0, 0, 255, 1)">this</span><span style="color: rgba(0, 0, 0, 1)">.setData({
   qqqqqqqq: GlobalValueStr,

   temptemp: temp,

   logs: (wx.getStorageSync(</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">logs</span><span style="color: rgba(128, 0, 0, 1)">'</span>) || []).map(log => {<span style="color: rgba(0, 0, 255, 1)">return</span> util.formatTime( <span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> Date(log) ) })

})
}
})</span></pre>
</div>
<p> </p>
<p> <img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928231501072-1892323634.png" alt=""></p>
<p> </p>
<p> </p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928231708289-1841952008.png" alt=""></p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">注意一件事情哈</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928232350251-2046395988.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">然后看</span></p>
<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928233511303-373777956.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 18pt">最后看</span></p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928232120020-430817133.png" alt=""></p>
<p><span style="font-size: 24px">我修改下哈</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928234119078-523908321.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">注意: 他俩才是真爱!!!!</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928234143487-574378153.png" alt="">      <img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928234200313-26213783.png" alt=""></span></p>
<p> </p>
<p> </p>
<p><span style="font-size: 18pt">然后接着看</span></p>
<p> <img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928234907206-75716564.png" alt=""></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 18pt">最后看</span></p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928235535385-1988192836.png" alt=""></p>
<p> </p>
<p> </p>
<p> </p>
<p> <img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928235510716-1108318667.png" alt=""></p>
<p> </p>
<p> </p>
<p><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928235730590-1882585358.png" alt=""></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 18pt">然后调取打印</span></p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190928235847166-268076363.png" alt=""></span></p>
<p> <span style="font-size: 18pt">还有最后一个,访问APP.JS里面的变量</span><span style="font-size: 18pt"><br></span></p>
<p><span style="font-size: 24px">定义了一些变量</span></p>
<p><span style="font-size: 18pt"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190929030800922-1364391405.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px">其实访问这里的变量只需要</span></p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190929030905866-1890485800.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p><span style="font-size: 24px"><img src="https://img2018.cnblogs.com/blog/819239/201909/819239-20190929031124959-449810114.png" alt=""></span></p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> <span style="font-size: 18pt">说的挺多的.....先喝口水.</span></p>
<p><span style="font-size: 18pt">https://www.cnblogs.com/yangfengwu/p/11618962.html</span></p>
<p> </p><br><br>
来源：https://www.cnblogs.com/yangfengwu/p/11605209.html

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