rt-sim-training-client/src/components/QueryListPage/QueryListPage.vue

<template>
  <!--  :style="{height: queryList.height ? 'auto' : listPageHeight}" -->
  <div class="query-list-page">
    <query-form
      v-show="!(queryForm.show === false)"
      ref="queryForm"
      :query-form="queryForm"
      :left-span="queryForm.leftSpan"
      :query-list="queryList"
      :before-query="queryForm.beforeQuery"
      :can-query="canQuery"
      @query="query"
      @queryExport="queryExport"
      @disableQuery="disableQuery"
      @enableQuery="enableQuery"
    />
    <el-card v-loading="loading">
      <el-table
        ref="table2"
        highlight-current-row
        stripe
        border
        :data="queryList.data"
        size="medium"
        :header-cell-style="headerCellStyle"
        :default-sort="queryList.defaultSort"
        @row-click="onRowClick"
        @select="onSelect"
        @select-all="onSelectAll"
        @selection-change="onSelectionChange"
        @sort-change="sortChange"
      >
        <el-table-column v-if="queryList.selectCheckShow" type="selection" width="55" />
        <el-table-column v-if="queryList.indexShow" type="index" width="50" :label="this.$t('global.index')" />
        <el-table-column v-if="queryList.radioShow" :label="`#${$t('global.select')}`" width="60">
          <template slot-scope="scope">
            <el-radio v-model="choose" :label="scope.row">{{ `` }}</el-radio>
          </template>
        </el-table-column>
        <template v-for="(column, index) in queryList.columns">
          <el-table-column
            v-if="checkColumnTyep(column, 'basic')"
            :key="index"
            :prop="column.prop"
            :label="column.title"
            :width="column.width"
            show-overflow-tooltip
            :sortable="column.sortable"
            :sort-by="column.sortBy"
          />
          <el-table-column
            v-else-if="checkColumnTyep(column, 'basicText')"
            :key="index"
            :label="column.title"
            :width="column.width"
            :sortable="column.sortable"
            :sort-by="column.sortBy"
          >
            <template slot-scope="scope">
              <span class="hideOutContent">{{ column.columnValue(scope.row, scope.$index) }}</span>
            </template>
          </el-table-column>
          <el-table-column
            v-else-if="checkColumnTyep(column, 'tag')"
            :key="index"
            :label="column.title"
            :width="column.width"
            :sortable="column.sortable"
            :sort-by="column.sortBy"
          >
            <template slot-scope="scope">
              <el-tag v-if="column.columnValue(scope.row, scope.$index)" :type="column.tagType(scope.row, scope.$index)">{{ column.columnValue(scope.row, scope.$index) }}</el-tag>
            </template>
          </el-table-column>
          <el-table-column
            v-else-if="checkColumnTyep(column, 'replicText')"
            :key="index"
            :label="column.title"
            :width="column.width"
            :sortable="column.sortable"
            :sort-by="column.sortBy"
          >
            <template slot-scope="scope">
              <span>{{ column.columnValue(scope.row, scope.$index) }}</span>
            </template>
          </el-table-column>
          <el-table-column
            v-else-if="checkColumnTyep(column, 'tagMore')"
            :key="index"
            :label="column.title"
            :width="column.width"
            :sortable="column.sortable"
            :sort-by="column.sortBy"
          >
            <template slot-scope="scope">
              <template v-for="tag in column.columnValue(scope.row)">
                <el-tag
                  :key="tag"
                  :type="column.tagType(scope.row, scope.$index)"
                  style="margin-right: 10px; margin-bottom: 5px;"
                >{{ tag }}</el-tag>
              </template>
            </template>
          </el-table-column>
          <el-table-column
            v-else-if="checkColumnTyep(column, 'formatter')"
            :key="index"
            :prop="column.prop"
            :label="column.title"
            :formatter="column.formatter"
            :sortable="column.sortable"
            :sort-by="column.sortBy"
          />
          <el-table-column
            v-else-if="checkColumnTyep(column, 'button') && !(column.hide && column.hide(column))"
            :key="index"
            :label="column.title"
            :width="column.width"
          >
            <template slot-scope="scope">
              <template v-for="(button, idx) in column.buttons">
                <el-button
                  v-if="button.show === undefined ? ((button.showControl === undefined) ? true: button.showControl(scope.row)): button.show"
                  :key="idx"
                  size="mini"
                  style="margin-top: 5px;"
                  :type="button.type ? button.type : 'primary'"
                  :disabled="isTableBtnDisabled(button, scope.$index, scope.row)"
                  @click="button.handleClick(scope.$index, scope.row) "
                >{{ getTableBtnName(button.name, scope.$index, scope.row) }}</el-button>
              </template>
            </template>
          </el-table-column>
        </template>
      </el-table>
      <div v-if="queryList.selectCheckShow" style="margin-top: 8px; margin-left: 8px;">
        <el-button
          size="mini"
          :type="'primary'"
          :disabled="!queryList.selection.length"
          @click="queryList.selectAllClick(queryList.selection)"
        >{{ $t('global.selectAdd') }}</el-button>
      </div>
      <div class="page-container " style="text-align: center; margin: 10px 0; height: 40px;">
        <el-pagination
          :current-page="pageIndex"
          :page-sizes="[10, 20, 50, 100] "
          :page-size="pageSize "
          layout="total, sizes, prev, pager, next, jumper "
          :total="queryList.total "
          @size-change="pageSizeChange "
          @current-change="changePage"
        />
      </div>
    </el-card>
  </div>
</template>

<script>
// import QueryForm from '@/components/QueryListPage/QueryForm'
// import { mapGetters } from 'vuex'

export default {
    components: {
        QueryForm: resolve => { require(['@/components/QueryListPage/QueryForm'], resolve); } // 懒加载
    },
    props: {
        queryForm: {
            type: Object,
            required: true
        },
        pagerConfig: {
            type: Object,
            default() {
                return {};
            }
        },
        queryList: {
            type: Object,
            required: true
        }
    },
    data() {
        return {
            loading: false,
            choose: null,
            queryData: {},
            currentpagerConfig: {},
            headerCellStyle: {
                // "background-color ": 'rgba(48, 60, 86, 1)',
                // color: 'white'
            },
            listPageHeight: '100%',
            tableHeight: 0,
            pageSize: 10,
            pageIndex: 1,
            pageOffset: 0,
            canQuery: true, // 查询按钮是否可点
            thirdQRCodeMakeUrl: 'http://s.jiathis.com/qrcode.php?url=',
            sortBy:''
        };
    },
    computed: {
        globalPagerConfig: function() {
            const pagerConfig = {
                pageSize: 'pageSize',
                pageIndex: 'pageNow'
            };
            return pagerConfig;
        }
    },
    created() {
        const self = this;
        // queryList 如果没有data属性,就创建并赋值为[]
        if (!this.queryList.data) {
            this.$set(this.queryList, 'data', []);
        }
        // queryList 如果没有total属性,就创建并赋值为0
        if (!this.queryList.total) {
            this.$set(this.queryList, 'total', 0);
        }
        // 如果设置了pageConfig就使用它,否则使用globalPageConfig
        if (!this.pagerConfig) {
            this.currentpagerConfig = Object.assign({}, this.globalPagerConfig);
        } else {
            this.currentpagerConfig = Object.assign({}, this.pagerConfig);
        }
        // queryList 如果没有selection属性,就创建并赋值为[]
        if (!this.queryList.selection) {
            this.$set(this.queryList, 'selection', []);
        }
        // 给queryList添加数据重载的方法
        this.queryList.reload = function() {
            return self.commitQuery();
        };
    },
    mounted() {
        // this.commitQuery();
        // this.tableHeight = this.$refs.table2.$el.offsetHeight + 23;
    },
    methods: {
        // 根据类型显示
        checkColumnTyep(column, typeName) {
            if (column.show === false) {
                return false;
            } else if (column.isShow) {
                return column.isShow();
            }
            if (typeof column.type === 'undefined') {
                if (column.formatter instanceof Function) {
                    column.type = 'formatter';
                } else {
                    column.type = 'basic';
                }
            }
            // 类型是否匹配
            const typeFlag = column.type === typeName;
            return typeFlag;
        },
        isTableBtnDisabled(button, index, row) {
            if (button.isDisabled) {
                return button.isDisabled(index, row);
            } else {
                return false;
            }
        },
        // 计算列表的列为链接时显示的名称，可能为列对象的字段
        getTableBtnName(btnName, index, row) {
            if (typeof btnName.trim() === 'function') {
                return btnName(index, row);
            } else {
                return btnName;
            }
        },
        // 按钮查询
        query(queryData) {
            this.queryData = queryData;
            this.pageIndex = 1;
            this.queryData[this.currentpagerConfig.pageSize] = this.pageSize;
            this.queryData[this.currentpagerConfig.pageIndex] = this.pageIndex;
            this.queryList.reload();
        },
        // 导出操作
        queryExport(queryData) {
            const self = this;
            self.disableQuery();
            self.queryData = queryData;
			import('@/utils/Export2Excel').then(excel => {
			    const tHeader = self.queryForm.exportConfig.header;
			    self.prepareExportData().then(data => {
			        excel.export_json_to_excel(tHeader, data, self.queryForm.exportConfig.filename);
			        self.enableQuery();
			    }).catch(error => {
			        self.enableQuery();
			        self.$message.error(`${this.$t('error.exportFailed')}: ${error.message}`);
			    });
			});
        },
        // 导出数据准备
        prepareExportData() {
            return new Promise((resolve, reject) => {
                const filterVals = this.queryForm.exportConfig.filterVals;
                this.queryExportData().then(result => {
                    const list = result.list;
                    const data = this.formatJson(filterVals, list);
                    resolve(data);
                }).catch(error => {
                    reject(error);
                });
            });
        },
        // 格式化数据列表
        formatJson(filterVals, list) {
            return list.map(v => filterVals.map(fv => {
                let keys = [];
                if (typeof (fv) === 'string') {
                    keys = fv.split('.');
                } else {
                    keys = fv.key.split('.');
                }
                let obj = v;
                keys.forEach(element => {
                    obj = obj[element];
                });
                if (fv.type === 'date') {
                    const format = fv.format || 'yyyy-MM-dd';
                    return new Date(obj).Format(format);
                } else if (fv.formatter instanceof Function) {
                    return fv.formatter(v);
                } else {
                    return obj;
                }
            }));
        },
        // 查询需要导出的数据列表
        queryExportData() {
        },
        /**
		 * 翻页方法
		 * pageIndex: 翻页后是第几页
		 * params: 查询条件
		 **/
        changePage(pageIndex, params) {
            this.pageIndex = pageIndex;
            this.pageOffset = (this.pageIndex - 1) * this.pageSize;
            if (params) {
                // 如果是点查询按钮到这来的，不用混合分页信息，已经有默认的第一页信息
                this.queryData = params;
                // 以防pageSize改变, 重新赋值
                this.queryData[this.currentpagerConfig.pageSize] = this.pageSize;
            } else {
                // 如果是点翻页按钮到这来的，把分页信息混合到this.queryData里
                this.mixinBackPageInfoToQueryData();
            }
            // 加时间戳
            // this.queryData._time = this.$moment()._d.getTime();
            this.queryList.reload();
        },
        /**
		 * 改变分页大小回调函数，执行完毕后，iview会自动触发changePage事件，去查第一页数据
		 */
        pageSizeChange(newPageSize) {
            if (newPageSize) {
                this.pageSize = newPageSize;
                this.changePage(1, this.queryData);
            }
        },
        /**
		 * 把分页信息混合到this.queryData里
		 */
        mixinBackPageInfoToQueryData() {
            // 当前的分页信息
            const pagerParams = {
                pageSize: this.pageSize,
                pageIndex: this.pageIndex,
                pageOffset: this.pageOffset
            };
            const tempPagerParams = {};
            // 肯定要有pageSize
            tempPagerParams[this.currentpagerConfig.pageSize] = pagerParams.pageSize || this.queryData[this.currentpagerConfig.pageSize];
            // 判断使用 pageIndex 还是 pageOffset
            if (this.currentpagerConfig.pageIndex) {
                // 使用 pageIndex
                tempPagerParams[this.currentpagerConfig.pageIndex] = pagerParams.pageIndex || this.queryData[this.currentpagerConfig.pageIndex];
            } else {
                // 使用 pageOffset
                tempPagerParams[this.currentpagerConfig.pageOffset] = pagerParams.pageOffset !== undefined ? pagerParams.pageOffset : this.queryData[this.currentpagerConfig.pageOffset];
            }
            // 将分页信息封装到查询条件中
            this.queryData = { ...this.queryData, ...tempPagerParams };
        },
        preCommitQueryHandler() {
            // 填充表单
            // this.$refs.form2.initFormData(this.queryData);
            // 预设分页组件
            this.pageIndex = parseInt(this.queryData[this.currentpagerConfig.pageIndex] || this.pageIndex);
            this.pageSize = parseInt(this.queryData[this.currentpagerConfig.pageSize]);
        },
        commitQuery() {
            const self = this;
            return new Promise((resolve, reject) => {
                self.disableQuery();
                self.mixinBackPageInfoToQueryData();
                const postData = this.queryData;
                if (postData === false) {
                    self.enableQuery();
                    return;
                }
                if (this.queryList.query instanceof Function) {
                    this.queryList.query(this.queryData).then(response => {
                        self.enableQuery();
                        if (this.queryList.afterQuery && this.queryList.afterQuery instanceof Function) {
                            this.queryList.afterQuery(response.data);
                        }

                        const resultData = response.data;
                        this.$set(this.queryList, 'data', resultData.list);
                        this.$set(this.queryList, 'total', resultData.total);
                    }).catch(error => {
                        self.enableQuery();
                        this.$message.error(`${this.$t('error.getListFailed')}：${error.message}`);
                    });
                } else {
                    const data = this.queryList.data;
                    if (data) {
                        self.enableQuery();
                        if (this.queryList.afterQuery && this.queryList.afterQuery instanceof Function) {
                            this.queryList.afterQuery(data);
                        }
                        this.$set(this.queryList, 'data', data);

                        let total = this.queryList.total;
                        if (!total) {
                            total = this.queryList.data.length;
                        }
                        this.$set(this.queryList, 'total', total);
                    }
                }
            });
        },
        enableQuery() {
            this.canQuery = true;
            this.loading = false;
        },
        disableQuery() {
            // 禁止查询按钮
            this.canQuery = false;
            this.loading = true;
            // 清空表格的数据
            // this.queryList.data = [];
        },
        onSelect(selection, row) {
            this.queryList.onSelect && this.queryList.onSelect(selection, row);
            this.queryList.selection = selection;
        },
        onSelectAll(selection) {
            this.queryList.onSelectAll && this.queryList.onSelectAll(selection);
            this.queryList.selection = selection;
        },
        onSelectionChange(selection) {
            this.queryList.onSelectionChange && this.queryList.onSelectionChange(selection);
            this.queryList.selection = selection;
        },
        onRowClick(row) {
            this.choose = row;
        },
        currentChoose() {
            return this.choose;
        },
        refresh(flag) {
            if (flag) {
                this.commitQuery();
            }
            this.queryList.data = [...this.queryList.data];
        },
        sortChange(data) {
            const self = this;
            if (data.order && data.column.sortable == 'custom') {
                switch (data.order) {
                case 'ascending': {
                    if (data.column.sortBy) {
                        const temp = {};
                        temp[data.column.sortBy] = data.prop;
                        self.queryData = { ...self.queryData, ...temp };
                        self.sortBy = data.column.sortBy;
                        self.refresh(true);
                    }
                    break;
                }
                case 'descending': {
                    if (data.column.sortBy) {
                        const temp = {};
                        temp[data.column.sortBy] = data.prop + ' desc';
                        self.queryData = { ...self.queryData, ...temp };
                        self.sortBy = data.column.sortBy;
                        self.refresh(true);
                    }
                    break;
                }
                }
            } else {
                delete self.queryData[self.sortBy];
                self.refresh(true);
            }
        }
    }

};

</script>