微信小程序--数组与字符串之间的转换

1、数组转字符串

需要将数组中的所有元素用某个字符连接成字符串

如图用join关联

2、字符串转数组

实现方法为将字符串按某个字符切割成若干个字符串，并以数组形式返回

var s = “abc，abcd，aaa”；

ss = s.split(",");   //在每个逗号（，）处进行分解 ["abc","abcd","aaa"]

var sl = "helloworld";

ssl = sl.split(' '); //["h","e","l","l","o","w","o","r","l","d"]