.replace(/\\/g,"\\\\")    /*   \    ==>   \\      */
.replace(/\//g,"\\/")     /*   /    ==>   \/      */
.replace(/\'/g,"\\\'")    /*   '    ==>   \'      */
.replace(/\"/g,"\\\"")    /*   "    ==>   \"      */ .split('\r\n').join("\n")    //去掉代码中所有的 \r