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+class ExportExcel {
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+ workBook = null;
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+
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+ sheet = null;
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+
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+ border = new GC.Spread.Sheets.LineBorder('#000', GC.Spread.Sheets.LineStyle.thin);
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+
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+ excelIo = new GC.Spread.Excel.IO();
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+
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+ $info = $('#excel-info');
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+
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+ // 表格当前画到的行
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+ curRow = 0;
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+
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+ billTree = null;
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+
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+ curBillNode = null;
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+
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+ libID = '';
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+
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+ // 表格块，类型为ExcelBlock实例
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+ blocks = [];
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+
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+ // 清单ID - 清单精灵映射
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+ billIDElfMap = {};
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+
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+ // 叶子清单ID
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+ leafIDs = [];
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+
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+ // 叶子清单总数量
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+ total = 0;
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+
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+ constructor(workBook, billTree, libID) {
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+ this.workBook = workBook;
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+ this.sheet = this.workBook.getSheet(0);
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+ this.initSheet();
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+ this.billTree = billTree;
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+ this.libID = libID;
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+ this.leafIDs = billTree.items.filter(node => !node.children.length).map(node => node.data.ID);
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+ this.total = this.leafIDs.length;
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+ }
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+
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+ // 导出
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+ async export() {
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+ if (!this.workBook) {
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+ return;
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+ }
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+ const json = this.workBook.toJSON();
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+ this.excelIo.save(json, function (blob) {
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+ saveAs(blob, '清单精灵排版.xlsx');
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+ }, function (e) {
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+ // process error
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+ alert(e);
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+ console.log(e);
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+ });
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+
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+ }
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+
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+ // 将数据画在表格上
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+ async paintOnSheet() {
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+ this.updateProcessInfo();
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+ // let i = 0;
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+ this.sheet.suspendPaint();
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+ this.sheet.suspendEvent();
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+ for (const billNode of this.billTree.items) {
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+ // 画标题
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+ if (this.curRow >= this.sheet.getRowCount()) {
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+ this.sheet.addRows(this.curRow, 2);
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+ }
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+ this.sheet.setFormatter(this.curRow, 0, '@');
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+ this.sheet.setFormatter(this.curRow, 1, '@');
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+ this.sheet.setText(this.curRow, 0, billNode.data.code);
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+ this.sheet.setText(this.curRow++, 1, billNode.data.name);
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+ // 画表格
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+ if (!billNode.children.length) {
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+ this.curRow++; // 空行
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+ const elfTree = await this.getElfTree(billNode.data.ID);
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+ if (!elfTree) {
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+ continue;
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+ }
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+ const block = this.getBlock(elfTree);
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+ if (!block.length) {
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+ continue;
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+ }
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+ const blockRange = this.getBlockRange(elfTree);
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+ this.checkRange(blockRange);
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+ const range = this.sheet.getRange(block[0].row + this.curRow, block[0].col, blockRange.rowCount, blockRange.colCount)
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+ // 画单元格
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+ console.log(billNode.data);
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+ console.log(block);
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+ this.drawCell(block);
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+ // 画边框
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+ this.drawBorder(range)
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+ // i++;
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+ this.curRow += blockRange.rowCount + 1;
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+ }
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+ /* if (i === 100) {
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+ break;
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+ } */
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+ }
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+ const range = this.sheet.getRange(0, 0, this.sheet.getRowCount(), this.sheet.getColumnCount());
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+ range.vAlign(GC.Spread.Sheets.VerticalAlign.center);
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+ range.wordWrap(true);
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+ this.sheet.resumeEvent();
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+ this.sheet.resumePaint();
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+ if (this.total === this.curProcessCount) {
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+ this.afterPaint();
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+ }
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+ }
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+
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+ /* ========================================================以下为私有方法============================================== */
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+
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+ // 当前到多少条叶子清单
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+ get curProcessCount () {
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+ return this.total - this.leafIDs.length;
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+ }
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+
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+ // 画完表格后的处理
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+ afterPaint() {
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+ $('#excel-dialog').width('800px');
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+ $('#excel-spread').show();
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+ this.workBook.refresh();
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+ $('#export-excel-confirm').show();
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+ }
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+
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+ // 超出范围追加行列
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+ checkRange(blockRange) {
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+ // 不够行数，追加行数
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+ const needRows = this.curRow + blockRange.rowCount;
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+ const curRowCount = this.sheet.getRowCount();
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+ if (curRowCount < needRows) {
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+ this.sheet.addRows(this.curRow, needRows - curRowCount + 5);
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+ }
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+ // 不够列数，追加列数
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+ const curColCount = this.sheet.getColumnCount();
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+ if (curColCount < blockRange.colCount) {
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+ this.sheet.addColumns(curColCount - 1, blockRange.colCount - curColCount);
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+ }
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+ }
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+
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+ // 画单元格、合并单元格
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+ drawCell(block) {
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+ block.forEach(item => {
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+ const row = item.row + this.curRow;
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+ this.sheet.addSpan(row, item.col, item.rowCount, item.colCount);
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+ this.sheet.setFormatter(row, item.col, '@');
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+ this.sheet.setText(row, item.col, item.text);
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+ });
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+ }
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+
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+ // 画边框
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+ drawBorder(range) {
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+ range.setBorder(this.border, { all: true })
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+ }
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+
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+ // 更新进度信息
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+ updateProcessInfo() {
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+ this.$info.text(`导出清单中: ${this.curProcessCount} / ${this.total}`)
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+ }
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+
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+ // 精灵树数据转换为表格块单元格数据
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+ getBlock(elfTree) {
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+ return elfTree.items.map(node => {
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+ // rowCount、colCount标记合并单元格范围
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+ const rowCount = node.posterityLeafCount() || 1;
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+ const parentRow = node.parent && node.parent.cellInfo ? node.parent.cellInfo.row : 0;
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+ // let prevRowCount = node.preSibling && node.preSibling.cellInfo ? node.preSibling.cellInfo.row + node.preSibling.cellInfo.rowCount - parentRow : 0;
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+ const prev = node.prevNode();
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+ let prevRowCount = prev && prev.cellInfo ? prev.cellInfo.row + prev.cellInfo.rowCount - parentRow : 0;
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+ const row = parentRow + prevRowCount;
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+ const col = node.depth();
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+ const name = node.data.type === itemType.ration ? node.data.name.split(' ')[0] : node.data.name;
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+ const text = `${isProcessNode(node) && node.data.require ? '* ' : ''}${name}`
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+ node.cellInfo = {
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+ row,
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+ col,
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+ rowCount,
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+ };
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+ return {
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+ row,
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+ col,
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+ rowCount,
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+ text,
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+ colCount: 1,
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+ }
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+ })
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+ }
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+
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+ // 根据精灵树数据，获取表格块range
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+ getBlockRange(elfTree) {
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+ const rowCount = elfTree.roots.reduce((prev, node) => prev + (node.posterityLeafCount() || 1), 0);
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+ const a = Date.now();
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+ const colCount = Math.max(...elfTree.items.map(node => node.depth())) + 1;
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+ console.log(Date.now() - a);
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+ return {
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+ rowCount,
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+ colCount
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+ }
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+ }
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+
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+ // 获取清单的精灵树
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+ async getElfTree(billID) {
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+ const items = await this.getElfItems(billID);
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+ if (!items || !items.length) {
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+ return null;
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+ }
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+ const tree = idTree.createNew({ id: 'ID', pid: 'ParentID', nid: 'NextSiblingID', rootId: -1, autoUpdate: true });
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+ tree.loadDatas(items);
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+ return tree;
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+ }
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+
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+ // 获取清单的精灵数据
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+ async getElfItems(billID) {
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+ if (this.billIDElfMap[billID]) {
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+ return this.billIDElfMap[billID];
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+ }
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+ if (!this.leafIDs.length) {
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+ return null;
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+ }
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+ const count = 20; // 每次拉取数据条数
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+ const billIDs = this.leafIDs.splice(0, count)
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+ await setTimeoutSync(null, 100);
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+ const items = await ajaxPost('/billsGuidance/api/getItemsByBillIDs', { guidanceLibID: this.libID, billIDs });
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+ this.updateProcessInfo();
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+ items.forEach(item => {
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+ (this.billIDElfMap[item.billsID] || (this.billIDElfMap[item.billsID] = [])).push(item)
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+ });
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+ return this.billIDElfMap[billID];
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+ }
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+
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+ initSheet() {
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+ this.sheet.name('清单精灵');
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+ for (let col = 0; col < this.sheet.getColumnCount(); col++) {
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+ this.sheet.setColumnWidth(col, 100);
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+ }
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+ }
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+}
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