vue.js+element-ui的基础表单

发布于:2024-03-28 ⋅ 阅读:(14) ⋅ 点赞:(0)

遇到原生的html小型单页应用时,是脱离了vue框架,而我们又想使用vue的语法和element的组件加快我们的开发速度,这个时候就需要引用他们的js了。技术栈即html+vue.js+element-ui。而使用它们的方法也很简单,引入对应的js和css文件即可。下面用一个小例子展示下。

 普普通通的表单页面:

 html代码:

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>表单页面</title>
  <!-- 引入样式 --> 
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/element-ui/lib/theme-chalk/index.css">

  <!-- 引入组件库 -->
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/element-ui/lib/index.js"></script>  
</head>
<style>
    #app {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
    margin-top: 10vh;
    }
    html{
    width: 100%;
    height: 100%;
    background: #f0faff;
    }
    .el-form {
    max-width: 600px;
    width: 100%;
    box-shadow: 1px 1px 8px #dedede;
    padding: 30px;
    border-radius: 10px;
    background: #fff;
    }

    .el-row {
    margin-bottom: 20px;
    }

    /* .el-button {
    width: 100%;
    } */
</style>
<body>
  <div id="app">
    <el-form ref="form" :model="formData" :rules="formRules" label-width="80px">
      <el-row>
        <h3>业务数据导入终端:</h3>
      </el-row>
      <el-row>
        <el-form-item label="邮箱" prop="email">
        <el-input placeholder="请输入接收通知的邮箱" v-model="formData.email"></el-input>
        </el-form-item>
      </el-row>
      <el-row>
        <el-col :span="12">
          <el-form-item label="IP地址" prop="ip">
            <el-input v-model="formData.ip"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="端口" prop="port">
            <el-input v-model="formData.port"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="12">
          <el-form-item label="账号" prop="username">
            <el-input v-model="formData.username"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="密码" prop="password">
            <el-input v-model="formData.password" type="password"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="12">
          <el-form-item label="数据库" prop="database">
            <el-input v-model="formData.database"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="表名" prop="table">
            <el-input v-model="formData.table"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="24">
          <el-form-item label="上传文件">
            <el-upload
              class="upload-demo"
              ref="upload"
              :action="uploadUrl"
              :before-upload="beforeUpload"
              accept=".xlsx,.xls"
              :limit="1"
              :auto-upload="false">
              <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
              <div slot="tip" class="el-upload__tip">只能上传excel文件</div>
            </el-upload>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="24" style="text-align: center; margin-top: 20px;">
          <el-button type="primary" @click="submitForm" :disabled="disabled">{{buttonText }}</el-button>
          <el-button type="danger" @click="clear">清除缓存</el-button>
        </el-col>
      </el-row>
    </el-form>
  </div>

  <script>
    new Vue({
      el: '#app',
      data() {
        return {
          timer:0,
          limitTime: 1 * 60, // 限制时间为10分钟
          disabled:false,
          formRules:{
                email:[
                  { required: true, message: '请输入联系邮箱', trigger: 'blur' }
                ],
                ip: [
                    { required: true, message: '请输入ip', trigger: 'blur' }
                ],
                port: [
                    { required: true, message: '请输入端口', trigger: 'blur' }
                ],
                username: [
                    { required: true, message: '请输入账号', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' }
                ],
                database: [
                    { required: true, message: '请输入数据库', trigger: 'blur' }
                ],
                table: [
                    { required: true, message: '请输入表名', trigger: 'blur' }
                ],
          },
          formData: {
            email:'',
            ip: '',
            port: '',
            username: '',
            password: '',
            database: '',
            table: '',
          },
          uploadUrl: '/upload'  // 文件上传的接口地址
        };
      },
      mounted(){
        var obj = localStorage.getItem("formData")||"";
        var timer = localStorage.getItem("disabled")||"";
        if(timer){  //定时还没结束,重置
          this.disabled = true;
          this.timer = this.limitTime;
          const countdown = setInterval(() => {
              this.timer--;
              if (this.timer <= 0) {
                localStorage.removeItem("disabled");
                clearInterval(countdown);
                this.disabled = false;
              }
          }, 1000);
        }

        if(obj){
          this.formData = JSON.parse(obj);
        }
      },
      computed: {
        buttonText() {
          if (this.disabled) {
            const minutes = Math.floor(this.timer / 60);
            const seconds = this.timer % 60;
            return `禁用中 (${minutes}:${String(seconds).padStart(2, '0')})`;
          } else {
            return '提交';
          }
        },
      },
      methods: {
        beforeUpload(file) {
          // 上传文件之前的钩子函数,可用于校验文件类型等
          const isExcel = ((file.type === 'application/vnd.ms-excel')||(file.type === 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'));
          return isExcel;
        },
        clear(){
          this.$confirm('该操作会清除本地保存的数据信息, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          localStorage.clear();
          this.$message({
            type: 'success',
            message: '清除成功'
          });
          setTimeout(()=>{window.location.reload();},1000)
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });
        },
        submitForm() {
            this.$refs.form.validate(valid => {
                if (valid) {
                    // 提交表单的函数,将表单数据和文件一起发送给后端
                    const formData = new FormData();
                    formData.append('email', this.formData.email);
                    formData.append('ip', this.formData.ip);
                    formData.append('port', this.formData.port);
                    formData.append('access', this.formData.username);
                    formData.append('password', this.formData.password);
                    formData.append('dataName', this.formData.database);
                    formData.append('tableName', this.formData.table);
                    console.log(this.$refs.upload.uploadFiles[0]);
                    if(this.$refs.upload.uploadFiles[0]&&this.beforeUpload(this.$refs.upload.uploadFiles[0].raw)){
                        const file = this.$refs.upload.uploadFiles[0].raw;
                        formData.append('file', file);
                    }else{
                        this.$message.error('请上传excel文件');
                        return;
                    }
                    
                     localStorage.setItem("formData",JSON.stringify(this.formData));
                     this.disabled = true;
                     localStorage.setItem("disabled",this.disabled)
                     this.timer = this.limitTime;
                     const countdown = setInterval(() => {
                      this.timer--;
                      if (this.timer <= 0) {
                        localStorage.removeItem("disabled");
                        clearInterval(countdown);
                        this.disabled = false;
                      }
                    }, 1000);
                      
                    // 发送表单数据和文件给后端
                    fetch('http://localhost/from/uploadExcel', {
                        method: 'POST',
                        body: formData
                    })
                        .then(response => response.json())
                        .then(data => {
                        console.log('提交成功', data);
                          if(data.code==200){
                            this.$message({
                              message: data.msg,
                              type: 'success'
                            });
                          }else{
                            this.$message({
                              message: data.msg,
                              type: 'warning'
                            });
                          }
                        // 处理后端返回的数据
                        })
                        .catch(error => {
                        console.error('提交失败', error);
                        // 处理提交失败的情况
                        });
                } else {
                this.$message.error('请将表单补充完整');
                }
            });
        }
      }
    });
  </script>
</body>

</html>

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