嗨,我有一个 api,它返回一个数组对象passwordPolicy,其中包含
PasswordMinLength: 6
passwordMinLowerCase: 1
passwordMinNumber: 1
passwordMinSymbol: 0
passwordMinUpperCase: 1
数字可以根据用户示例的 Angular 色不断变化
PasswordMinLength: Password min length.
PasswordMinLowerCase: This is currently either 0 or 1 So, if it's returning 1 for example it should have 1 minimum lower case. If it's returning 0 then the check should be ignored for lower case.
PasswordMinUpperCase: Same as above for upper case requirement.
PasswordMinSymbol: Same as above for symbol.
PasswordMinNumber: same as above to determine if a number is required in the password.
我知道我们可以使用正则表达式模式验证进行验证,请参阅下面的内容 How to validate password strength with Angular 5 Validator Pattern
但是当数据不断变化时如何实现动态验证。
我需要验证新的pwdctrlname。
resetPwdForm: FormGroup = new FormGroup({
newpwdctrlname: new FormControl('', [Validators.required, Validators.minLength(6)]),
shownewpwdctrlname: new FormControl('', []),
rptpwdctrlname: new FormControl('', [Validators.required])
});
最佳答案
您可以使用字符串插值动态生成模式
类似于
passRequirement = {
passwordMinLowerCase: 1,
passwordMinNumber: 1,
passwordMinSymbol: 2,
passwordMinUpperCase: 1,
passwordMinCharacters: 8
};
pattern = [
`(?=([^a-z]*[a-z])\{${this.passRequirement.passwordMinLowerCase},\})`,
`(?=([^A-Z]*[A-Z])\{${this.passRequirement.passwordMinUpperCase},\})`,
`(?=([^0-9]*[0-9])\{${this.passRequirement.passwordMinNumber},\})`,
`(?=(\.\*[\$\@\$\!\%\*\?\&])\{${this.passRequirement.passwordMinSymbol},\})`,
`[A-Za-z\\d\$\@\$\!\%\*\?\&\.]{${
this.passRequirement.passwordMinCharacters
},}`
]
.map(item => item.toString())
.join("");
resetPwdForm = this.fb.group({
newpwdctrlname: ['Passwod1@@5', [Validators.required, Validators.pattern(this.pattern)]],
shownewpwdctrlname: ['', []],
rptpwdctrlname: ['', [Validators.required]]
});
constructor (private fb: FormBuilder) {}
然后您可以将其用作
Validators.pattern(this.pattern)
关于angular - Angular 8 中的动态密码验证器,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/64450268/