search
HomeWeb Front-endJS TutorialSample code for mutual conversion between json strings_javascript skills

The JSON string can be converted into an object through the eval() function. The stringifier function is the opposite of parse and is used to convert a js object into JSON text

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> 
<% 
String path = request.getContextPath(); 
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 
%> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
<head> 
<base href="<%=basePath%>" rel="external nofollow" > 
<title>My JSP 'test5.jsp' starting page</title> 
<meta http-equiv="pragma" content="no-cache"> 
<meta http-equiv="cache-control" content="no-cache"> 
<meta http-equiv="expires" content="0"> 
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> 
<meta http-equiv="description" content="This is my page"> 
<!-- 
<link rel="stylesheet" type="text/css" href="styles.css" rel="external nofollow" > 
--> 
<script type="text/javascript" src="<%=basePath%>/js/json2.js"></script> 
<script type="text/javascript"> 
alert("xxxx"); 
var t="{'firstName': 'cyra', 'lastName': 'richardson', 'address': {"+ 
"'streetAddress': '1 Microsoft way', 'city': 'Redmond', 'state': 'WA',"+ 
"'postalCode': 98052 },'phoneNumbers': [ '425-777-7777','206-777-7777' ] }"; 
var jsonobj=eval('('+t+')'); 
alert(t.firstName+" xxx"); 
alert(jsonobj.lastName); 

var t2="[{name:'zhangsan',age:'24'},{name:'lisi',age:'30'},{name:'wangwu',age:'16'},{name:'tianqi',age:'7'}] "; 
var myobj=eval(t2); 
for(var i=0;i<myobj.length;i++){ 
alert(myobj[i].name); 
alert(myobj[i].age); 
} 

var t3="[['<a href=# onclick=openLink(14113295100,社旗县国税局桥头税务所,14113295100,d6d223892dc94f5bb501d4408a68333d,swjg_dm);>14113295100</a>','社旗县国税局桥头税务所','社旗县城郊乡长江路西段']]"; 
//通过eval() 函数可以将JSON字符串转化为对象 
var obj = eval(t3); 
for(var i=0;i<obj.length;i++){ 
for(var j=0;j<obj[i].length;j++){ 
alert(obj[i][j]); 
} 
var jsonText = JSON.stringify(obj); 
alert(jsonText); 
} 

/* 
//stringifier 函数的作用跟 parse 相反, 用来将一个js对象转换为 JSON 文本。 
var jsonText = JSON.stringify(obj); 
alert(jsonText); 

//如果基于安全的考虑的话,最好是使用一个 JSON 解析器。 一个 JSON 解析器将只接受 JSON 文本。所以是更安全的。 
var myObject = JSON.parse(myJSONtext, filter); 
//可选的 filter 参数将遍历每一个value key 值对, 并进行相关的处理。如: 
//如 
myData = JSON.parse(text, function (key, value) { 

return key.indexOf('date') >= 0 &#63; new Date(value) : value; }); 

//stringifier 函数的作用跟 parse 相反, 用来将一个js对象转换为 JSON 文本。 
var myJSONText = JSON.stringifier(myObject); 
*/ 
</SCRIPT> 

</head> 
<body> 
This is my JSP page. <br> 
</body> 
</html>
Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
VUE3怎么使用JSON编辑器VUE3怎么使用JSON编辑器May 12, 2023 pm 05:34 PM

1、先看看效果图,可以自行选择展示效果2、这是我在vue3项目中使用的JSON编辑器,首先引入第三方插件npminstalljson-editor-vue3yarnaddjson-editor-vue33、引入到项目中//导入模块importJsonEditorVuefrom&#39;json-editor-vue3&#39;//注册组件components:{JsonEditorVue},4、一般后端返回的是会将JSON转为String形式我们传给后端也是通过这种形式,就可以通

SpringBoot之Json的序列化和反序列化问题怎么解决SpringBoot之Json的序列化和反序列化问题怎么解决May 12, 2023 pm 04:07 PM

控制json序列化/反序列化1.@JsonIgnoreProperties的用法@JsonIgnoreProperties(value={"prop1","prop2"})用来修饰Pojo类,在序列化和反序列化的时候忽略指定的属性,可以忽略一个或多个属性.@JsonIgnoreProperties(ignoreUnknown=true)用来修饰Pojo类,在反序列化的时候忽略那些无法被设置的属性,包括无法在构造子设置和没有对应的setter方法.2.@Js

Java怎么调用接口获取json数据解析后保存到数据库Java怎么调用接口获取json数据解析后保存到数据库May 14, 2023 am 10:58 AM

Java调用接口获取json数据保存到数据库1.在yml文件中配置自己定义的接口URL//自己定义的JSON接口URLblacklist_data_url:接口URL2.在Controller中添加请求方法和路径/***@Title:查询*@Description:查询车辆的记录*@Author:半度纳*@Date:2022/9/2717:33*/@GetMapping("/Blacklist")publicvoidselectBlacklist(){booleana=imB

深入解析JWT(JSON Web Token)的原理及用法深入解析JWT(JSON Web Token)的原理及用法Jan 10, 2023 am 10:55 AM

本篇文章给大家带来了关于JWT的相关知识,其中主要介绍了什么是JWT?JWT的原理以及用法是什么?感兴趣的朋友,下面一起来看一下吧,希望对大家有帮助。

java怎么校验json的格式是否符合要求java怎么校验json的格式是否符合要求May 15, 2023 pm 04:01 PM

JSONSchemaJSONSchema是用于验证JSON数据结构的强大工具,Schema可以理解为模式或者规则。JsonSchema定义了一套词汇和规则,这套词汇和规则用来定义Json元数据,且元数据也是通过Json数据形式表达的。Json元数据定义了Json数据需要满足的规范,规范包括成员、结构、类型、约束等。JSONSchema就是json的格式描述、定义、模板,有了他就可以生成任何符合要求的json数据json-schema-validator在java中,对json数据格式的校验,使用

php如何将xml转为json格式?3种方法分享php如何将xml转为json格式?3种方法分享Mar 22, 2023 am 10:38 AM

当我们处理数据时经常会遇到将XML格式转换为JSON格式的需求。PHP有许多内置函数可以帮助我们执行这个操作。在本文中,我们将讨论将XML格式转换为JSON格式的不同方法。

php输出json无法解析的原因和解决方法【总结】php输出json无法解析的原因和解决方法【总结】Mar 23, 2023 pm 04:35 PM

PHP作为一种常见的编程语言,在web开发中使用广泛,其与前端交互的方式也多种多样。其中,输出Json数据是一种常见的交互方式,但有时候会碰到Json无法解析的问题。为什么会出现无法解析的情况呢?下面列举了几个可能的原因。

SpringBoot怎么返回Json数据格式SpringBoot怎么返回Json数据格式May 19, 2023 pm 11:49 PM

一、@RestController注解在SpringBoot中的Controller中使用@RestController注解即可返回JSON格式的数据。@RestController注解包含了@Controller和@ResponseBody注解。@ResponseBody注解是将返回的数据结构转换为JSON格式。@Target({ElementType.TYPE})@Retention(RetentionPolicy.RUNTIME)@Documented@Controller@Respons

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

Repo: How To Revive Teammates
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.