javascript JSON.stringify 和 unicode 字符
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JSON.stringify and unicode characters
提问by indriq
I have to send characters like üto the server as unicode character but as a string. So it must be \u00fc(6 characters) not the character itself. But after JSON.stringifyit always gets üregardless of what I've done with it.
我必须将ü之类的字符作为 unicode 字符但作为字符串发送到服务器。所以它必须是\u00fc（6 个字符）而不是字符本身。但不管我用它做了什么，JSON.stringify它总是得到ü之后。
If I use 2 backslashes like \\u00fcthen I get 2 in the JSONstring as well and that's not good either.
如果我使用 2 个反斜杠，\\u00fc那么我JSON也会在字符串中得到 2 个，这也不好。
Any trick to avoid this? It's very annoying.
有什么技巧可以避免这种情况吗？这很烦人。
Ok, I forgot: I can't modify the string after JSON.strinfigy, it's part of the framework without workaround and we don't want to fork the whole package.
好吧，我忘了：我不能在 JSON.strinfigy 之后修改字符串，它是框架的一部分，没有解决方法，我们不想分叉整个包。
回答by georg
If, for some reason, you want your JSON to be ASCII-safe, replace non-ascii characters after json encoding:
如果出于某种原因，您希望 JSON 是 ASCII 安全的，请在 json 编码后替换非 ascii 字符：
var obj = {"key":"fü?chen", "some": [1,2,3]}
var json = JSON.stringify(obj)
json = json.replace(/[\u007F-\uFFFF]/g, function(chr) {
return "\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4)
})
document.write(json);
document.write("<br>");
document.write(JSON.parse(json));回答by Danny Sullivan
This should get you to where you want. I heavily based this on this question: Javascript, convert unicode string to Javascript escape?
这应该能让你到达你想要的地方。我在很大程度上基于这个问题：Javascript, convert unicode string to Javascript escape?
var obj = {"key":"ü"};
var str1 = JSON.stringify(obj);
var str2 = "";
var chr = "";
for(var i = 0; i < str1.length; i++){
if (str1[i].match(/[^\x00-\x7F]/)){
chr = "\u" + ("000" + str1[i].charCodeAt(0).toString(16)).substr(-4);
}else{
chr = str1[i];
}
str2 = str2 + chr;
}
console.log(str2)
I would recommend though that you look into @t.niese comment about parsing this server side.
我建议您查看有关解析此服务器端的@t.niese 评论。
