将 ["19481_0_00,45444@qq.com,1", "110_1_10,asd.gm@qq.com,123", "5974_2_10,a13111@gmail.com,bb"] 变为"19481,110,5974"
1 let idList = ""; 2 let str1 = []; 3 let str2 = []; 4 for (let i = 0; i < id.length; i++) { 5 str1 = id[i].split(","); 6 str2 = str1[0].split("_"); 7 idList += str2[0] + ","; 8 } 9 this.ids = idList.substr(0, idList.length - 1);