vue动态添加表单

<template>
  <div class="addFormBox">
    <!-- 循环data中定义的数组 -->
    <div v-for="(item,index) in formLabelAlign" :key="index">
      <div class="formOuterBox">
        <div class="formCotantBox">
          <h3>车辆信息 {{index+1}}</h3>
          <!-- 表单内容 -->
          <el-form label-width="80px">
            <el-form-item label="车牌号">
              <el-input v-model="item.carBoard"></el-input>
            </el-form-item>
            <el-form-item label="车牌颜色">
              <el-input v-model="item.carColor"></el-input>
            </el-form-item>
            <el-form-item label="排放阶段">
              <el-input v-model="item.discharge"></el-input>
            </el-form-item>
          </el-form>
        </div>
        <!-- 操作按钮 -->
        <div>
          <el-button @click="addForm" type="success">添加车辆信息</el-button>
          <el-button v-if="index!=0" @click="removeIdx(item, index)" type="danger">删除此条车辆信息</el-button>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 表单绑定数据
      formLabelAlign: [
        {
          carBoard: "",
          carColor: "",
          discharge: "",
        },
      ],
    };
  },
  methods: {
    //   添加操作
    addForm() {
      // 定义一个标识，通过标识判断是否能添加信息
      let statusType = true;
      this.formLabelAlign.forEach((item) => {
        if (
          item.carBoard == "" ||
          item.carColor == "" ||
          item.discharge == ""
        ) {
          this.$message({
            message: "请完善信息后在添加",
            type: "warning",
          });
          statusType = false;
        }
      });
      if (statusType) {
        this.formLabelAlign.push({
          carBoard: "",
          carColor: "",
          discharge: "",
        });
      }
    },
    // 删除操作
    removeIdx(item, index) {
      this.formLabelAlign.splice(index, 1);
      this.$message({
        message: "删除成功",
        type: "success",
      });
    },
  },
};
</script>

<style scoped>
.addFormBox {
  margin: 20px;
}
.formOuterBox {
  margin-bottom: 20px;
  padding: 30px 40px;
  background: white;
  border-radius: 30px;
}
h3 {
  margin: 0px 0px 20px 0px;
}
</style>