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options #108

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options #108

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5f53609
1、options增加minRowLength (有minColLength 但没有minRowLength 说不过去吧)
Aug 5, 2023
06e0b94
Merge branch '501351981:master' into master
bistuly Aug 18, 2023
c6b1342
Merge branch '501351981:master' into master
bistuly Aug 23, 2023
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73 changes: 57 additions & 16 deletions core/packages/vue-excel/src/excel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -131,16 +131,24 @@ export function readExcelData(buffer){


function transferColumns(excelSheet, spreadSheet, options){
for(let i = 0;i < (excelSheet.columns || []).length; i++){
// for(let i = 0;i < (excelSheet.columns || []).length; i++){
// spreadSheet.cols[i.toString()] = {};
// if(excelSheet.columns[i].width) {
// spreadSheet.cols[i.toString()].width = excelSheet.columns[i].width * 6 + (options.widthOffset || 0);
// } else {
// spreadSheet.cols[i.toString()].width = defaultColWidth + (options.widthOffset || 0);
// }
// }

// spreadSheet.cols.len = Math.max(Object.keys(spreadSheet.cols).length, options.minColLength || 0);

const colsNewT = filter_with(excelSheet.columns || [],options.filterCols);
const lenNewT = Object.keys(colsNewT).length;
for (let i = 0; i < lenNewT; i++){
spreadSheet.cols[i.toString()] = {};
if(excelSheet.columns[i].width) {
spreadSheet.cols[i.toString()].width = excelSheet.columns[i].width * 6 + (options.widthOffset || 0);
} else {
spreadSheet.cols[i.toString()].width = defaultColWidth + (options.widthOffset || 0);
}
spreadSheet.cols[i.toString()].width = getWidth_withOffset(colsNewT[i],defaultColWidth,options);
}

spreadSheet.cols.len = Math.max(Object.keys(spreadSheet.cols).length, options.minColLength || 0);
spreadSheet.cols.len = Math.max(lenNewT,options.minColLength || 0);
}

function getCellText(cell){
Expand Down Expand Up @@ -342,6 +350,32 @@ function getStyle(cell){
return cell.style;
}

function getHeight_withOffset(rowRaw,heightDef,options,){
const srcT = rowRaw.height ? rowRaw.height : heightDef;
let offsetT = 0;
if(typeof options.heightOffset == 'function')
offsetT = options.heightOffset(rowRaw);
else if(options.heightOffset)
offsetT = options.heightOffset;
return srcT + offsetT;
}

function getWidth_withOffset(colRaw,widthDef,options,){
const srcT = colRaw.width ? colRaw.width*6 : widthDef;
let offsetT = 0;
if(typeof options.widthOffset == 'function')
offsetT = options.widthOffset(colRaw);
else if(options.widthOffset)
offsetT = options.widthOffset;
return srcT + offsetT;
}

function filter_with(arg,funcT,){
if(funcT)
return funcT(arg);
return arg;
}

export function transferExcelToSpreadSheet(workbook, options){
let workbookData = [];
console.log(workbook, 'workbook');
Expand All @@ -367,14 +401,17 @@ export function transferExcelToSpreadSheet(workbook, options){

transferColumns(sheet,sheetData, options);
// 遍历行
(sheet._rows || []).forEach((row,spreadSheetRowIndex) =>{
//(sheet._rows || []).forEach((row,spreadSheetRowIndex) =>{
const rowsNewT = filter_with(sheet._rows || [], options.filterRows);
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filterRows的作用是什么，过滤之后后续数据如何处理

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比如①一个excel文件有100行和100列，但只想预览 第10-20行，第30-40列的内容。
②一个excel文件有内容的行只有10行10列，但exceljs在读取这个文件时，却返回了几万列。
filterRows和filterCols用于从exceljs读取后的行列中取出只想预览的那些行列。

(rowsNewT).forEach((row,spreadSheetRowIndex) =>{
sheetData.rows[spreadSheetRowIndex] = { cells: {} };

if(row.height){
sheetData.rows[spreadSheetRowIndex].height = row.height + (options.heightOffset || 0);
}else{
sheetData.rows[spreadSheetRowIndex].height = defaultRowHeight + (options.heightOffset || 0);
}
// if(row.height){
// sheetData.rows[spreadSheetRowIndex].height = row.height + (options.heightOffset || 0);
// }else{
// sheetData.rows[spreadSheetRowIndex].height = defaultRowHeight + (options.heightOffset || 0);
// }
sheetData.rows[spreadSheetRowIndex].height = getHeight_withOffset(row,defaultRowHeight,options)
//includeEmpty = false 不包含空白单元格
(row._cells || []).forEach((cell, spreadSheetColIndex) =>{
sheetData.rows[spreadSheetRowIndex].cells[spreadSheetColIndex] = {};
Expand All @@ -386,15 +423,19 @@ export function transferExcelToSpreadSheet(workbook, options){
if(mergeAddress){
sheetData.rows[spreadSheetRowIndex].cells[spreadSheetColIndex].merge = [mergeAddress.YRange, mergeAddress.XRange];
}
sheetData.rows[spreadSheetRowIndex].cells[spreadSheetColIndex].text = getCellText(cell);
//sheetData.rows[spreadSheetRowIndex].cells[spreadSheetColIndex].text = getCellText(cell);
const cellText = options.getCellText ? options.getCellText(cell): getCellText(cell);
sheetData.rows[spreadSheetRowIndex].cells[spreadSheetColIndex].text = cellText;

sheetData.styles.push(getStyle(cell));
sheetData.rows[spreadSheetRowIndex].cells[spreadSheetColIndex].style = sheetData.styles.length - 1;
});
});
if(sheetData._media){
sheetData.media = sheetData._media;
}
sheetData.rows.len = Math.max(Object.keys(sheetData.rows).length, 100);
//sheetData.rows.len = Math.max(Object.keys(sheetData.rows).length, 100);
sheetData.rows.len = Math.max(Object.keys(rowsNewT).length, options.minRowLength || 0);
workbookData.push(sheetData);
});
//console.log(workbookData, 'workbookData')
Expand Down