<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="站点类型" prop="sitetype">
        <el-select v-model="queryParams.sitetype" placeholder="请选择站点类型" clearable size="small">
          <el-option
            v-for="dict in sitetypeOptions"
            :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 bannerStyleOptions"
          :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="['sist:banner: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="['sist:banner: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="['sist:banner:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['sist:banner:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="bannerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" type="index" align="center">
        <template slot-scope="scope">
          <span>{{ ((queryParams.pageInfo.pageNum - 1) * queryParams.pageInfo.pageSize + scope.$index + 1)}}</span>
        </template>
      </el-table-column>
      <el-table-column label="标题" align="left" prop="title" />
      <el-table-column label="站点类型" align="center" prop="sitetype" :formatter="sitetypeFormat"/>
      <el-table-column label="轮播类型" align="center" prop="type":formatter="bannerStyleFormat" />
      <el-table-column label="图表路径" align="center">
        <template  slot-scope="scope">
          <img style="width: 100%;" :src="scope.row.imgurl" alt="">
        </template>
      </el-table-column>
      <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="['sist:banner:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['sist:banner:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

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

    <!-- 添加或修改首页banner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="站点类型" prop="sitetype">
          <el-select v-model="form.sitetype" placeholder="请选择站点类型" clearable size="small">
            <el-option
              v-for="dict in sitetypeOptions"
              :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="form.type" placeholder="请选择轮播类型">
            <el-option
              v-for="dict in bannerStyleOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title"  placeholder="请输入内容" />
        </el-form-item>
        <el-form-item prop="imgurl">
          <UploadFile v-model="form.imgurl"
                      file-type="image"
                      :v-public="true"
                      :v-data="false"
          />
        </el-form-item>
        <el-form-item label="跳转链接">
          <el-input v-model="form.link" placeholder="请输入内容" />
        </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 { listBanner, getBanner, delBanner, addBanner, updateBanner, exportBanner } from "@/api/sist/banner";
import UploadFile from '@/views/utils/uploadFile.vue';

export default {
  name: "Banner",
  components: {
    UploadFile,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 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,
      // 首页banner图表格数据
      bannerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 站点类型 1： sist    2: lab 3: 双边都发字典
      sitetypeOptions: [],
      bannerStyleOptions: [],
      // 查询参数
      queryParams: {
          pageInfo:{
              pageNum: 1,
              pageSize: 10,
          },
        params:{},
        sitetype: null,
        type: null,
        title: null,
        imgurl: null,
        link: null,
        sort: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        type: [
            { required: true, message: "轮播类型不能为空", trigger: "change" },
        ],
        title: [
            { required: true, message: "标题不能为空", trigger: "blur" },
        ],
        createBy: [
            { required: true, message: "创建者不能为空", trigger: "blur" },
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("article_site_type").then(response => {
      this.sitetypeOptions = response.data;
    });
    this.getDicts("banner_style").then(response => {
      this.bannerStyleOptions = response.data;
    });
  },
  methods: {
    /** 查询首页banner图列表 */
    getList() {
        this.loading = true;
        listBanner(this.queryParams).then(response => {
            this.bannerList = response.rows;
            this.total = response.total;
            this.loading = false;
      });
    },
    // 站点类型 1： sist    2: lab字典翻译
    sitetypeFormat(row, column) {
      return this.selectDictLabel(this.sitetypeOptions, row.sitetype);
    },
    bannerStyleFormat(row, column) {
      return this.selectDictLabel(this.bannerStyleOptions, row.type);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        sitetype: null,
        type: null,
        title: null,
        imgurl: null,
        link: null,
        sort: null,
      };
      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 = "添加首页banner图";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getBanner(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改首页banner图";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          // this.form.imgurl = this.form.imgurl.url
          if (this.form.id != null) {
            updateBanner(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBanner(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除首页banner图编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delBanner(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有首页banner图数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportBanner(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    }
  }
};
</script>
