要保证callback()只有一个出口

rules:{
newPassword: [{validator:(rule,newPassword,callback)=>{
var all = false
if(newPassword == ''){
  callback(new Error("请输入密码"));
}else{
var str = ""
for(var i=0;i<newPassword.length;i++){
        str = newPassword.charCodeAt(i)
if(str > 65280 && str < 65375 || str == 12288){
all = true
}
}
if(all == true){
callback(new Error("请输入半角字符"));
}else{
callback()
}
}
}, trigger:'blur'}]
}
05-11 11:29