php5处理json就2个函数,很方便。但常用的java处理起来就很麻烦，通常用JSON-lib许多包--------下面有一个简单的java处理json的方法如下： 1：下载另外一个java的小包就可以了； http://www.JSON.org/java/json_simple.zip(当然是在win下的啦)里面有源码和文档例题和编程的lib包；编程只需要json_simple.jar这个包就行，才十几k。 2：在后端java中解析json的代码：a：把json字符串变成java数组对象形式：String s="[0,{/"1/":{/"2/":{/"3/":{/"4/":[5,{/"6/":7}]}}}}]"; Object obj=JSONValue.parse(s); JSONArray array=(JSONArray)obj; System.out.println(array.get(1));b：把java对象形式变成json字符串： JSONObject obj2=new JSONObject(); obj2.put("phone","123456"); obj2.put("zip","7890"); obj.put("contact",obj2); System.out.print(obj);c：把java数组形式变成json字符串： JSONArray array=new JSONArray(); array.add("hello"); array.add(new Integer(123)); array.add(new Boolean(false)); array.add(null); array.add(new Double(123.45)); array.add(obj2);//see above System.out.print(array);
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3：前端的javascript中解析json的代码：var Json = {//把javascript的数组或对象转换成Json格式的字符串 toString: function(obj){ switch(typeof(obj)){ case 'string': return '"' + obj.replace(/(["//])/g, '//$1') + '"'; case 'array': return '[' + obj.map(Json.toString).join(',') + ']'; case 'object': var string = []; for (var property in obj) string.push(Json.toString(property) + ':' + Json.toString(obj[property])); return '{' + string.join(',') + '}'; case 'number': if (isFinite(obj)) break; case false: return 'null'; } return String(obj); },//把Json格式的字符串转换成javascript的数组或对象 evaluate: function(str, secure){ return ((typeof(str) != 'string') || (secure && !str.test(/^("(//.|[^"///n/r])*?"|[,:{}/[/]0-9./-+Eaeflnr-u /n/r/t])+?$/))) ? null : eval('(' + str + ')'); }
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3：前端的javascript中解析json的代码：var Json = {//把javascript的数组或对象转换成Json格式的字符串 toString: function(obj){ switch(typeof(obj)){ case 'string': return '"' + obj.replace(/(["//])/g, '//$1') + '"'; case 'array': return '[' + obj.map(Json.toString).join(',') + ']'; case 'object': var string = []; for (var property in obj) string.push(Json.toString(property) + ':' + Json.toString(obj[property])); return '{' + string.join(',') + '}'; case 'number': if (isFinite(obj)) break; case false: return 'null'; } return String(obj); },//把Json格式的字符串转换成javascript的数组或对象 evaluate: function(str, secure){ return ((typeof(str) != 'string') || (secure && !str.test(/^("(//.|[^"///n/r])*?"|[,:{}/[/]0-9./-+Eaeflnr-u /n/r/t])+?$/))) ? null : eval('(' + str + ')'); }
