String 2 JSON

最新推荐文章于 2024-03-20 00:14:13 发布

hotfey

最新推荐文章于 2024-03-20 00:14:13 发布

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本文链接：https://blog.youkuaiyun.com/hotfey/article/details/84625899

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本文提供了一个将字符串转换为JSON及JSON数组的示例代码，包括HTML页面上的JavaScript实现与Java程序实现，展示了如何解析和遍历JSON数据。

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
	function string2Json() {
		var string = "{"
					+ "\"gid\":1,"
					+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
					+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
					+ "}";
		alert(JSON.stringify(JSON.parse(string)));
	}
	function string2JsonArray() {
		var string = "[{"
					+ "\"gid\":1,"
					+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
					+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
					+ "},{"
					+ "\"gid\":2,"
					+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
					+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
					+ "},{"
					+ "\"gid\":3,"
					+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
					+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
					+ "}]";
		for (var i = 0; i < JSON.parse(string).length; i++) {
			alert(JSON.stringify(JSON.parse(string)[i]));
		}
	}
</script>
</head>
<body>
	<button onclick="javascript:string2Json();">string2Json</button>
	<button onclick="javascript:string2JsonArray();">string2JsonArray</button>
</body>
</html>


import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class String2JSONDemo {

	public static void main(String[] args) {
		String string = "[{"
				+ "\"gid\":1,"
				+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
				+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
				+ "},{"
				+ "\"gid\":2,"
				+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
				+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
				+ "},{"
				+ "\"gid\":3,"
				+ "\"image\":\"data/20140812155252QY1dziA/baA21og.jpg\","
				+ "\"voice\":\"data/20140812155252QY1dziA/baA21og.mp3\""
				+ "}]";
		JSONArray jsonArray = JSONArray.fromObject(string);
		for(int i = 0; i < jsonArray.size(); i ++){
			JSONObject jsonObject = jsonArray.getJSONObject(i);
			System.out.println(jsonObject);
		}
	}
}