JS對象序列化為JSON對象

JS對象序列化為JSON對象，如下代碼

    /**       * JSON 解析類       * 方法：       * 將JSON字串解碼為頁面可識別的object對象       * @param {String} json The JSON string       * @return {Object} The resulting object        * Object o = JSONUtil.decode(json);       *        * 將JS對象序列化為JSON字串       * @param {Mixed} o The variable to decode       * @return {String} The JSON string       * String json = JSONUtil.encode(o);       */          var JSONUtil;      if (!JSONUtil) {          JSONUtil = {};      }      JSONUtil.decode = function(json) {          try {              return eval("\u0028" + json + '\u0029');          } catch (exception) {              return eval("\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064");          }      };      JSONUtil.encode = (function() {          var $ = !!{}.hasOwnProperty, _ = function($) {              return $ < 10 ? "0" + $ : $          }, A = {              "\b" : "\\b",              "\t" : "\\t",              "\n" : "\\n",              "\f" : "\\f",              "\r" : "\\r",              "\"" : "\\\"",              "\\" : "\\\\"          };          return (function(C) {              if (typeof C == "\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064"  C === null)                  return "null";              else if (Object.prototype.toString.call(C) === "\u005b\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0041\u0072\u0072\u0061\u0079\u005d") {                  var B = ["\u005b"], G, E, D = C.length, F;                  for (E = 0; E < D; E += 1) {                      F = C[E];                      switch (typeof F) {                          case "\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064" :                          case "\u0066\u0075\u006e\u0063\u0074\u0069\u006f\u006e" :                          case "\u0075\u006e\u006b\u006e\u006f\u0077\u006e" :                              break;                          default :                              if (G)                                  B.push("\u002c");                              B.push(F === null ? "null" : this.encode(F));                              G = true                     }                  }                  B.push("\u005d");                  return B.join("")              } else if ((Object.prototype.toString.call(C) === "\u005b\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0044\u0061\u0074\u0065\u005d"))                  return "\"" + C.getFullYear() + "-" + _(C.getMonth() + 1) + "-" + _(C.getDate()) + "T" + _(C.getHours()) + ":" + _(C.getMinutes()) + ":" + _(C.getSeconds()) + "\"";              else if (typeof C == "\u0073\u0074\u0072\u0069\u006e\u0067") {                  if (/["\\\x00-\x1f]/.test(C))                      return "\"" + C.replace(/([\x00-\x1f\\"])/g, function(B, _) {                          var $ = A[_];                          if ($)                              return $;                          $ = _.charCodeAt();                          return "\\u00" + Math.floor($ / 16).toString(16) + ($ % 16).toString(16)                      }) + "\"";                  return "\"" + C + "\""             } else if (typeof C == "\u006e\u0075\u006d\u0062\u0065\u0072")                  return isFinite(C) ? String(C) : "null";              else if (typeof C == "\u0062\u006f\u006f\u006c\u0065\u0061\u006e")                  return String(C);              else {                  B = ["\u007b"], G, E, F;                  for (E in C)                      if (!$  C.hasOwnProperty(E)) {                          F = C[E];                          if (F === null)                              continue;                          switch (typeof F) {                              case "\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064" :                              case "\u0066\u0075\u006e\u0063\u0074\u0069\u006f\u006e" :                              case "\u0075\u006e\u006b\u006e\u006f\u0077\u006e" :                                  break;                              default :                                  if (G)                                      B.push("\u002c");                                  B.push(this.encode(E), "\u003a", this.encode(F));                                  G = true                         }                      }                  B.push("\u007d");                  return B.join("")              }          })      })();      window.JSONUtil = JSONUtil;