定義一個數(shù)組對象。每個對象有funcName：對應隨機數(shù)方法名，label：左側(cè)標簽名，checked：選中狀態(tài)。循環(huán)密碼長度，每次增加選擇密碼種類數(shù)量，遍歷定義的數(shù)組對象，判斷是否是選中狀態(tài)，如果是調(diào)用該種類的隨機方法，每次將返回的值拼接。循環(huán)完隨機密碼生成成功。

部分代碼

<script>      
import { reactive, toRefs  } from "vue";
export default {
  components: {},
  setup() {
    const state = reactive({
      form: {
        padLength: 8
      },
      typeList: [
      {
        id: 1,
        funcName:'IsUpper',
        label: '包括大寫字母',
        checked: true
      },
      {
        id: 2,
        funcName:'IsLower',
        label: '包括小寫字母',
        checked: true
      },
      {
        id: 3,
        funcName:'Isnumber',
        label: '包括數(shù)字',
        checked: true
      },
      {
          id: 4,
          funcName:'IsCharacter',
          label:'包括符號',
          checked: true
      }
      ],
      password: ''
    });
    const getRandomLower = () => {
      return String.fromCharCode(Math.floor(Math.random() * 26) + 97)
    }
    const getRandomUpper = () => {
       return String.fromCharCode(Math.floor(Math.random() * 26) + 65)
    }
    const getRandomNumber = () => {
      return String.fromCharCode(Math.floor(Math.random() * 10) + 48)
    }
    const getRandomCharacter = () => {
      const characters = '!@#$%^&*(){}[]=<>/,.'
      return characters[Math.floor(Math.random() * characters.length)]
    }
    let randomFunc =  {
      IsUpper: getRandomUpper,
      IsLower: getRandomLower,
      Isnumber: getRandomNumber,
      IsCharacter: getRandomCharacter
    }
    const getPassword = () => {
      state.password = ''
      let typesCount = 0
      state.typeList.forEach(v=>{
        typesCount += v.checked
      })
      if(typesCount === 0) {
          state.password = ''
      }

    for(let i = 0; i < state.form.padLength; i += typesCount) {
        state.typeList.forEach(item => {
          if(item.checked){
            state.password += randomFunc[item.funcName]()
          } 
        })
    }

  }

    return {
      ...toRefs(state),
      getRandomLower,
      getRandomUpper,
      getRandomNumber,
      getRandomCharacter,
      getPassword
    };
  },
};
</script>