鸿蒙（HarmonyOS）项目方舟框架（ArkUI）之PatternLock组件

// xxx.ets
@Entry
@Component
struct PatternLockExample {
  @State passwords: Number[] = []
  @State message: string = 'please input password!'
  private patternLockController: PatternLockController = new PatternLockController()
  build() {
    Column() {
      Text(this.message).textAlign(TextAlign.Center).margin(20).fontSize(20)
      PatternLock(this.patternLockController)
        .sideLength(200)
        .circleRadius(9)
        .pathStrokeWidth(18)
        .activeColor('#B0C4DE')
        .selectedColor('#228B22')
        .pathColor('#90EE90')
        .backgroundColor('#F5F5F5')
        .autoReset(true)
        .onPatternComplete((input: Array<number>) => {
          // 输入的密码长度小于5时，提示重新输入
          if (input === null || input === undefined || input.length < 5) {
            this.message = 'The password length needs to be greater than 5, please enter again.'
            return
          }
          // 判断密码长度是否大于0
          if (this.passwords.length > 0) {
            // 判断两次输入的密码是否相同，相同则提示密码设置成功，否则提示重新输入
            if (this.passwords.toString() === input.toString()) {
              this.passwords = input
              this.message = 'Set password successfully: ' + this.passwords.toString()
            } else {
              this.message = 'Inconsistent passwords, please enter again.'
            }
          } else {
            // 提示第二次输入密码
            this.passwords = input
            this.message = "Please enter again."
          }
        })
      Button('Reset PatternLock').margin(30).onClick(() => {
        // 重置密码锁
        this.patternLockController.reset()
        this.passwords = []
        this.message = 'Please input password'
      })
    }.width('100%').height('100%')
  }
}