直接正则
//最初的字符串
var str = "{\"CollectionCount\":\"1\",\"InitCollection\":{\"DataBaseAsciiSimuDataFilePath\":\"\",\"HasParaList\":\"true\",\"Index\":\"1\",\"LoaclAsciiSimuDataFilePath\":\"\",\"LoaclBinSimuDataFilePath\":\"\",\"ParaList\":{\"Para\":[{\"ArrayLength\":\"2\",\"Back\":\"\",\"ID\":\"1\",\"IsArray\":\"true\",\"Name\":\"Initial_a\",\"ParaArry\":[{\"Back\":\"dgd \",\"Index\":0,\"Value\":\"false\"},{\"Back\":\"打发斯蒂芬\",\"Index\":1,\"Value\":\"false\"}],\"ParaType\":\"bool\",\"Value\":\"\"},{\"ArrayLength\":\"2\",\"Back\":\"\",\"ID\":\"2\",\"IsArray\":\"true\",\"Name\":\"Initial_b\",\"ParaArry\":[{\"Back\":\"东方时代\",\"Index\":0,\"Value\":\"FALSE\"},{\"Back\":\"的风格是大方\",\"Index\":1,\"Value\":\"FALSE\"}],\"ParaType\":\"BOOL\",\"Value\":\"\"},{\"ArrayLength\":\"0\",\"Back\":\"大方过多少个\",\"ID\":\"3\",\"IsArray\":\"false\",\"Name\":\"Initial_c\",\"ParaType\":\"double\",\"Value\":\"1\"},{\"ArrayLength\":\"0\",\"Back\":\"是个\",\"ID\":\"4\",\"IsArray\":\"false\",\"Name\":\"Initial_d\",\"ParaType\":\"int\",\"Value\":\"0\"},{\"ArrayLength\":\"0\",\"Back\":\"是\",\"ID\":\"5\",\"IsArray\":\"false\",\"Name\":\"Initial_e\",\"ParaType\":\"float\",\"Value\":\"0.00\"},{\"ArrayLength\":\"0\",\"Back\":\"个\",\"ID\":\"6\",\"IsArray\":\"false\",\"Name\":\"Initial_f\",\"ParaType\":\"BYTE\",\"Value\":\"0x0\"},{\"ArrayLength\":\"0\",\"Back\":\"射日弓\",\"ID\":\"7\",\"IsArray\":\"false\",\"Name\":\"Initial_g\",\"ParaType\":\"WORD\",\"Value\":\"0x0\"},{\"ArrayLength\":\"2\",\"Back\":\"\",\"ID\":\"8\",\"IsArray\":\"true\",\"Name\":\"Initial_h\",\"ParaArry\":[{\"Back\":\"格式\",\"Index\":0,\"Value\":\"0x0\"},{\"Back\":\"人\",\"Index\":1,\"Value\":\"0x0\"}],\"ParaType\":\"DWORD\",\"Value\":\"\"}],\"ParaCount\":\"8\",\"TotalLength\":\"11\"},\"SavaStep\":\"10\",\"SaveFileExtension\":\".dat\",\"TimeStep\":\"0.001\"},\"Name\":\"Initial\",\"ReturnType\":\"int\"}"
//正则匹配去除转义符
str = str.replace(/[\\]/g, '');
//转成json对象
JSON.parse(str)
