jsonToString.js

//json object 转string
function jsonToString (obj){   
    var THIS = this;    
    switch(typeof(obj)){   
        case 'string':   
            return '"' + obj.replace(/(["\\])/g, '\\$1') + '"';   
        case 'array':   
            return '[' + obj.map(THIS.jsonToString).join(',') + ']';   
        case 'object':   
             if(obj instanceof Array){   
                var strArr = [];   
                var len = obj.length;   
                for(var i=0; i<len; i++){   
                    strArr.push(THIS.jsonToString(obj[i]));   
                }   
                return '[' + strArr.join(',') + ']';   
            }else if(obj==null){   
                return 'null';   

            }else{   
                var string = [];   
                for (var property in obj) string.push(THIS.jsonToString(property) + ':' + THIS.jsonToString(obj[property]));   
                return '{' + string.join(',') + '}';   
            }   
        case 'number':   
            return obj;   
        case false:   
            return obj;   
    }   
}