<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wtt_1990的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wtt_1990</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wtt_1990]]></copyright><item><title><![CDATA[ES6 学习笔记-Promise]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/113354560</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/113354560</guid><author>wtt_1990</author><pubDate>Thu, 28 Jan 2021 18:13:33 +0800</pubDate><description><![CDATA[https://www.jianshu.com/p/6f87e489b6ca
]]></description><category></category></item><item><title><![CDATA[vue 使用element-ui的el-checkbox-group组件]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/107813375</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/107813375</guid><author>wtt_1990</author><pubDate>Fri, 07 Aug 2020 15:17:21 +0800</pubDate><description><![CDATA[&lt;el-checkbox-group v-model="rulesId" class="rules-label" &gt;
   &lt;el-checkbox v-for="(rule,i) in rulesList" :label="rule.leavel_id" :key="rule.leavel_id" :value="rule.leavel_id" v-model="rule.isChecked" @change="val =&gt; handleChecked(val,rule)"&gt.]]></description><category></category></item><item><title><![CDATA[JavaScript 判断数组中对象的某个字段的值是否重复]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/107564612</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/107564612</guid><author>wtt_1990</author><pubDate>Fri, 24 Jul 2020 16:46:39 +0800</pubDate><description><![CDATA[let arr = [
    { name:'censek', age: 18 },
    { name: 'bob', age: 13 },
    { name: 'john', age: 25 },
    { name: 'censek', age: 6 }
];

for (i = 0; i &lt; arr.length - 1; i++) {
    for (j = i + 1; j &lt; arr.length; j++) {
        if (arr[i].name ===.]]></description><category></category></item><item><title><![CDATA[taro 上传图片转成base64]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/107512225</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/107512225</guid><author>wtt_1990</author><pubDate>Wed, 22 Jul 2020 15:31:59 +0800</pubDate><description><![CDATA[在做taro 项目是，遇到图片上传，来做个笔记。

1.评论上传图片，多张图片上传


 async uploadImgs(imgFiles =[] ) {
    const imgs = []
    const promises = imgFiles.map(item =&gt;{
      return new Promise((resolve) =&gt;{
        if(item.file){
            if(process.env.TARO_ENV == 'weapp']]></description><category></category></item><item><title><![CDATA[vue实现word，pdf文件的导出功能]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/107510153</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/107510153</guid><author>wtt_1990</author><pubDate>Wed, 22 Jul 2020 12:00:25 +0800</pubDate><description><![CDATA[axios.get(‘url', { //url: 接口地址

params:{},//参数

responseType: `arraybuffer`, //一定要写

headers: {'Authorization': 'bearer ' + store.getters.token}

}).then(res =&gt; {

if(res.status == 200){

let blob = new Blob([res.data], {

type: `application/pdf` //word]]></description><category></category></item><item><title><![CDATA[Vue不能热更新的原因]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/106907549</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/106907549</guid><author>wtt_1990</author><pubDate>Mon, 22 Jun 2020 18:22:59 +0800</pubDate><description><![CDATA[https://www.jianshu.com/p/23d705829d3b
]]></description><category></category></item><item><title><![CDATA[vue项目常见需求（项目实战笔记）]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/106790671</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/106790671</guid><author>wtt_1990</author><pubDate>Tue, 16 Jun 2020 16:51:41 +0800</pubDate><description><![CDATA[https://www.cnblogs.com/tcxq/p/10425381.html
]]></description><category></category></item><item><title><![CDATA[获取时间戳]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/106785719</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/106785719</guid><author>wtt_1990</author><pubDate>Tue, 16 Jun 2020 13:48:30 +0800</pubDate><description><![CDATA[var timestamp1 = Date.parse(new Date());//精确到秒

var timestamp2 = (new Date()).valueOf();//精确到毫秒

var timestamp3 =new Date().getTime();//精确到毫秒
]]></description><category></category></item><item><title><![CDATA[最全的常用正则表达式大全]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/106785652</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/106785652</guid><author>wtt_1990</author><pubDate>Tue, 16 Jun 2020 13:45:44 +0800</pubDate><description><![CDATA[一、校验数字的表达式



数字：^[0-9]*$
	n位的数字：^\d{n}$
	至少n位的数字：^\d{n,}$
	m-n位的数字：^\d{m,n}$
	零和非零开头的数字：^(0|[1-9][0-9]*)$
	非零开头的最多带两位小数的数字：^([1-9][0-9]*)+(.[0-9]{1,2})?$
	带1-2位小数的正数或负数：^(\-)?\d+(\.\d{1,2})?$
	正数、负数、和小数：^(\-|\+)?\d+(\.\d+)?$
	有两位小数的正实数：^[0-9]+(.[0-9]{2}).]]></description><category></category></item><item><title><![CDATA[字符串转行成json的三种方式]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/52777279</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/52777279</guid><author>wtt_1990</author><pubDate>Mon, 10 Oct 2016 14:09:59 +0800</pubDate><description><![CDATA[字符串转json三种方式]]></description><category></category></item><item><title><![CDATA[如何让radio控制只读不能选择]]></title><link>https://blog.youkuaiyun.com/wtt_1990/article/details/52777184</link><guid>https://blog.youkuaiyun.com/wtt_1990/article/details/52777184</guid><author>wtt_1990</author><pubDate>Mon, 10 Oct 2016 14:02:39 +0800</pubDate><description><![CDATA[raidio]]></description><category></category></item></channel></rss>