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haoningabc
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javascript对象转json

sjavascriptjson 
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<html>
<head></head>
<body>
	<script type="text/javascript">
		function obj2str(o) {
			var r = [];
			if (typeof o == "string")
				return "\""
						+ o.replace(/([\'\"\\])/g, "\\$1").replace(/(\n)/g,
								"\\n").replace(/(\r)/g, "\\r").replace(/(\t)/g,
								"\\t") + "\"";
			if (typeof o == "object") {
				if (!o.sort) {
					for ( var i in o)
						r.push(i + ":" + obj2str(o[i]));
					if (!!document.all
							&& !/^\n?function\s*toString\(\)\s*\{\n?\s*\[native code\]\n?\s*\}\n?\s*$/
									.test(o.toString)) {
						r.push("toString:" + o.toString.toString());
					}
					r = "{" + r.join() + "}"
				} else {
					for ( var i = 0; i < o.length; i++)
						r.push(obj2str(o[i]))
					r = "[" + r.join() + "]"
				}
				return r;
			}
			return o.toString();
		}
		var info=new Object();
		info.name="haoning";
		info.age="18";
		var cardinfo= new Object();
		cardinfo.num=123123131;
		cardinfo.type="user card";
		info.card=cardinfo
		alert(obj2str(info));
	</script>
</body>
</html>


把javascript对象转成json
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| opencv人脸检测的helloworld
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