我一直在使用eval,它可以在一个浏览器中使用,但不是另一种(这些不是您的标准浏览器,而是与其他应用程序集成的浏览器)。在我的一个300+项目的对象被正确处理。在opther中,它处理从256到最后的项目,但跳过前255个项目! JSON也是正确的。任何替代eval?也许是一个jsonToObject函数。我正在写我自己的时刻,但我受到了时间的限制,并希望我不必重新发明轮子eval()的替代品
任何想法或功能?
Verymuch赞赏
到目前为止,我有这个,我要去尝试,并基于它逆波兰。不确定它是最有效的,但由于某种原因,它似乎是一个有趣的挑战。我的一部分工作正在折磨着我所经历的压力,所以我需要现实一些,并询问是否有任何方法可以与我分享。
var operatorStack = new Array();
var variableStack = new Array();
var valueStack = new Array();
var objectStack = new Array();
object.prototype.toJSON = function(){
}
function json(str){
this.value = str
}
/*
({"0":"Zero","1":{"A":"1","B":"2"},"2":{"C":"3","D":"4"},"3":{"E":"5","F":"^"}})
*/
json.prototype.toObject = function(){
var str = this.value;
var vbl = "";
var vlu = "";
for(var i = 0; i < str.length; i++){
var chr = str.charAt(i);
switch(chr){
case '{': //new Object();
objectStack.push = new Object();
operatorStack.push(chr);
break;
case '}': //close Object();
operatorStack.pop();
if(operatorStack[operatorStack.length-1] == ':'){
objectStack[objectStack.length-2][vbl] = objectStack[objectStack.length-1];
}else{
return obj;
}
break;
case '"':
if(operatorStack[operatorStack.length-1] == '"'){
operatorStack.pop();
if(operatorStack[operatorStack.length-1] != ':'){
objectStack[objectStack.length-1][vbl] = val;
vbl = "";
val = "";
operatorStack.pop();
}else if(operatorStack[operatorStack.length-1] != ','){
operatorStack.pop();
}
}else{
operatorStack.push(chr);
}
break;
case ':':
operatorStack.push(chr);
break;
case ',':
operatorStack.push(chr);
break;
default:
if(operatorStack[operatorStack.length-1] == '"'){
switch(operatorStack[operatorStack.length-2]{
case '{': //we know it's a variable
vbl += chr;
break;
case ',': //we know it's a variable
vbl += chr;
break;
case ':': //we know it's a value
val += chr;
break;
}
}else{
alert("JSON not formed properly, alphanumerics not within quotes.")//JSON not formed properly
}
break;
}
}
return obj;
}
感谢
你为什么不使用JSON解析器? – 2011-05-19 15:07:52