<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="分类名称" prop="cateName">
        <el-input
          v-model="queryParams.cateName"
          placeholder="请输入分类名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" 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>
        <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="['his:articleCate: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="['his:articleCate: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="['his:articleCate: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="['his:articleCate:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="articleCateList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="cateId" />
      <el-table-column label="图片" align="center" prop="imgUrl" width="120px">
        <template slot-scope="scope">
          <el-popover
            placement="right"
            title=""
            trigger="hover">
            <img slot="reference" :src="scope.row.imgUrl" width="100px">
            <img :src="scope.row.imgUrl" style="max-width: 150px;">
          </el-popover>
        </template>
      </el-table-column>
      <el-table-column label="分类名称" align="center" prop="cateName" />
      <el-table-column label="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="排序号" align="center" prop="sort" />
      <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="['his:healthCate:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['his:healthCate: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"
    />

    <!-- 添加或修改文章分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类名称" prop="cateName">
          <el-input v-model="form.cateName" placeholder="请输入分类名称" />
        </el-form-item>
        <el-form-item label="图片" prop="imgUrl">
          <el-upload
            v-model="form.imgUrl"
            class="avatar-uploader"
            :action="uploadUrl"
            :headers="uploadHeaders"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            :before-upload="beforeAvatarUpload">
            <img v-if="form.imgUrl" :src="form.imgUrl" class="avatar" width="300px">
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择状态">
            <el-option
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="parseInt(dict.dictValue)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="排序号" prop="sort">
          <el-input-number v-model="form.sort" label="请输入排序号"></el-input-number>
        </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 { listArticleCate, getArticleCate, delArticleCate, addArticleCate, updateArticleCate, exportArticleCate } from "@/api/his/articleCate";
import { getToken } from "@/utils/auth";

export default {
  name: "articleCate",
  data() {
    return {
      // 遮罩层
      loading: true,
      uploadUrl:process.env.VUE_APP_BASE_API+"/common/uploadOSS",
      // el-upload 不会走 axios 拦截器，需手动带上 token
      uploadHeaders: { Authorization: "Bearer " + getToken() },
      baseUrl: process.env.VUE_APP_BASE_API,
      // 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,
      // 文章分类表格数据
      articleCateList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 状态 1正常 0禁用字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        cateName: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        cateName: [
                  { required: true, message: "分类名称不能为空", trigger: "blur" }
                ],
        status: [
          { required: true, message: "状态 1正常 0禁用不能为空", trigger: "change" }
        ],
        sort: [
          { required: true, message: "排序号不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("sys_company_status").then(response => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    /** 查询文章分类列表 */
    getList() {
      this.loading = true;
      listArticleCate(this.queryParams).then(response => {
        this.articleCateList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    handleAvatarSuccess(res, file) {
       if(res.code==200){
         this.form.imgUrl=res.url;
         this.$forceUpdate()
       }
       else{
         this.msgError(res.msg);
       }
    },
    beforeAvatarUpload(file) {
      // 上传前刷新 token
      this.uploadHeaders.Authorization = "Bearer " + getToken();
      const isLt1M = file.size / 1024 / 1024 < 1;
      if (!isLt1M) {
        this.$message.error('上传图片大小不能超过 1MB!');
      }
      return   isLt1M;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        cateId: null,
        cateName: null,
        status: null,
        isDel: 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.cateId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章分类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const cateId = row.cateId || this.ids
      getArticleCate(cateId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章分类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.cateId != null) {
            updateArticleCate(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticleCate(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const cateIds = row.cateId || this.ids;
      this.$confirm('是否确认删除文章分类编号为"' + cateIds + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delArticleCate(cateIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有文章分类数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportArticleCate(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>

<style>
 .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }

  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 150px;
    height: 150px;
    line-height: 150px;
    text-align: center;
  }
</style>
