<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="图片名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入图片名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="轮播状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择轮播状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="轮播类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择轮播类型" clearable size="small">
          <el-option
            v-for="dict in bunnerTypes"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['mall:mallBanner:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['mall:mallBanner:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['mall:mallBanner:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['mall:mallBanner:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="mallBannerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!--<el-table-column label="主键ID" align="center" prop="id" />-->
      <el-table-column label="图片名称" align="center" prop="name" />
      <!--<el-table-column label="轮播图片" align="center" prop="headUrl" />-->
      <el-table-column label="图片链接" align="center" prop="headUrl">
        <template slot-scope="scope">
          <el-image :src="scope.row.headUrl" style="width: 80px" :preview-src-list="[scope.row.headUrl]"/>
        </template>
      </el-table-column>
      <el-table-column label="轮播状态" align="center" prop="status" >
      <template slot-scope="scope">
        <dict-tag :options="statusOptions" :value="scope.row.status"/>
      </template>
      </el-table-column>
      <el-table-column label="轮播类型" align="center" prop="type" >
        <template slot-scope="scope">
          <dict-tag :options="bunnerTypes" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <!--<el-table-column label="背景图图片" align="center" prop="backgroundUrl" />-->
      <!--<el-table-column label="关联资源ID" align="center" prop="resId" />-->
      <el-table-column label="排序(正序)" align="center" prop="sort" />
      <el-table-column label="创建时间" align="center" prop="createAt" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['mall:mallBanner:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['mall:mallBanner:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改轮播图对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="图片名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入图片名称" />
        </el-form-item>
<!--        <el-form-item label="轮播图片" prop="headUrl">-->
<!--          <el-input v-model="form.headUrl" placeholder="请输入前图图片" />-->
<!--        </el-form-item>-->
        <el-form-item label="轮播图片" prop="headUrl" >
          <el-upload
            class="upload-demo"
            :limit="1"
            accept=".jpg, .png"
            :action="upload.url"
            :file-list="upload.fileList"
            :headers="upload.headers"
            list-type="picture"
            :on-success="handleFileSuccess"
          >
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">
              只能上传jpg/png文件，且不超过1M
            </div>
          </el-upload>
          <el-input v-model="form.headUrl" v-if="false" />
        </el-form-item>
        <el-form-item label="轮播状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictValue"
            >{{dict.dictLabel}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="轮播类型" prop="type">
          <el-radio-group v-model="form.type">
            <el-radio
              v-for="dict in bunnerTypes"
              :key="dict.dictValue"
              :label="dict.dictValue"
            >{{dict.dictLabel}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <!--<el-form-item label="背景图图片" prop="backgroundUrl">-->
          <!--<el-input v-model="form.backgroundUrl" placeholder="请输入背景图图片" />-->
        <!--</el-form-item>el-form-item-->
        <el-form-item label="关联资源" prop="resId">
          <el-input v-model="form.resId" placeholder="请输入关联资源ID" />
        </el-form-item>
        <el-form-item label="排序(正序)" prop="sort">
          <el-input v-model="form.sort" placeholder="请输入排序(正序)" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMallBanner, getMallBanner, delMallBanner, addMallBanner, updateMallBanner, exportMallBanner } from "@/api/mall/mallBanner";
import { getToken } from "@/utils/auth";

export default {
  name: "MallBanner",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 轮播图表格数据
      mallBannerList: [],
      statusOptions: [],
      bunnerTypes:[],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 上传参数
      upload: {
        // 是否禁用上传
        isUploading: false,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/common/upload",
        // 上传的文件列表
        fileList: [],
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        status: null,
        type: null,
        module: '0'
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },

  created() {
    this.getList();
    this.getDicts("mall_status").then(response => {
      this.statusOptions = response.data;
  });
    this.getDicts("mall_banner_type").then(response => {
      this.bunnerTypes = response.data;
  });
  },
  methods: {
    /** 查询轮播图列表 */
    getList() {
      this.loading = true;
      listMallBanner(this.queryParams).then(response => {
        this.mallBannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.form.headUrl = response.url;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        headUrl: null,
        status: null,
        type: null,
        backgroundUrl: null,
        resId: null,
        sort: null,
        createAt: null,
        updateAt: null,
        delFlag: null,
        module: '0'
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加轮播图";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getMallBanner(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改轮播图";
      });

      this.upload.fileList = [];
      this.upload.fileList = [{ name: this.form.fileName, url: row.headUrl }];
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateMallBanner(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addMallBanner(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除轮播图编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delMallBanner(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有轮播图数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportMallBanner(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>
