【前端】js解码base64

//不会乱码 
function strTob(base64) {// 对base64转编码var decode = atob(base64)decode  = escape(decode)// 编码转字符串var str = decodeURIComponent(decode)return str
}

atob 中文乱码的解决方案

decode  = escape(decode)
  // 编码转字符串
  var str = decodeURIComponent(decode)