一 .for in 循环 1.获取json中的键(key)与值(value): var data = {name:'张三',age:'20岁',sex:'男'}; for (var a in data) { console.log(a); /*属性名*/ console.log(data[a]); /*属性值*/ }; 2.获取数组中的值 var a = ['apple','banana','pear']; for(var i in a){ console.log(i); /*在数组中的位置*/
1.1.1 对象与JSON转化 @Test public void toJSON() throws IOException{ Jedis jedis = new Jedis("192.168.126.174",6379); User user = new User(); user.setId(100); user.setName("json测试"); user.setAge(100); user.setSex("男"); ObjectMapper
<script type="text/javascript"> getJson('age'); function getJson(key){ var jsonObj={"name":"傅红雪","age":"24","profession":"刺客"}; //1.使用eval方法 var eValue=eval('jsonObj.'+key); alert
如下脚本设置启动参数,如题,在.vscode/launch.json文件中,红色部分设置运行参数 { // Use IntelliSense to learn about possible attributes. // Hover to view descriptions of existing attributes. // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 "version&q
function getUrlArgs(){ var url=location.href; var i=url.indexOf('?'); if(i==-1)return; var querystr=url.substr(i+1); var arr1=querystr.split('&'); var arr2=new Object(); for (i in arr1){ var t=arr1[i].split('='); arr2[t[0]]=t[1]; } return arr2; }