js unicode 編碼解碼參考 http://blog.csdn.net/low584710047/article/details/46652129
<!DOCTYPE html><html><head><meta charset="utf-8"/><title>unicode字元可以不用轉碼就顯示</title></head><body><div id="test1"></div><div id="test2"></div><div id="test3"></div><script type="text/javascript">// unicode 轉 str function uni2str(str){ var result = []; var strArr = str.split("\\u");//根據 \u 分割 用反斜線轉義 var len = strArr.length; for(var i=0; i<len; i++){ if(strArr[i]){ result.push(String.fromCharCode(parseInt(strArr[i], 16)));//16 轉 10 } } return result.join(""); };var result1 = "\u4f53\u68c0\u987b\u77e5\u002e\u0064\u006f\u0063";document.getElementById("test1").innerHTML = result1;//成功輸出,自動轉碼// 轉換失敗, 因為 uni2str中 split("\\u") 處理不了 result1,// result1 表面上看上去 帶有 \u，但指令碼運行時時 result1是不帶 \u, 因為沒有進行 轉義// 由此可見 \u 是一個特殊的字元document.getElementById("test2").innerHTML = uni2str(result1);var result3 = "\\u4f53\\u68c0\\u987b\\u77e5\\u002e\\u0064\\u006f\\u0063";//用反斜線轉義document.getElementById("test3").innerHTML = uni2str(result3);//成功輸出,手工轉碼alert("\\u");//輸出 \u,說明轉義成功//alert("\u");//報錯: Uncaught SyntaxError: Unexpected token ILLEGALalert("\u4f53");//輸出unicode轉碼後的字元</script></body></html>
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