refine:export adaptive colwidth in excel

This commit is contained in:
spiritree 2017-10-12 13:54:29 +08:00 committed by 花裤衩
parent 516897b97a
commit a8602e78f0

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@ -100,7 +100,6 @@ export function export_table_to_excel(id) {
/* original data */ /* original data */
var data = oo[0]; var data = oo[0];
var ws_name = "SheetJS"; var ws_name = "SheetJS";
console.log(data);
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
@ -127,6 +126,25 @@ export function export_json_to_excel(th, jsonData, defaultTitle) {
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
/*设置worksheet每列的最大宽度*/
const colWidth = data.map(row => row.map(val => {
/*判断是否为中文*/
if (val.toString().charCodeAt(0) > 255) {
return {'wch': val.toString().length * 2};
} else {
return {'wch': val.toString().length};
}
}))
/*以第一行为初始值*/
let result = colWidth[0];
for (let i = 1; i < colWidth.length; i++) {
for (let j = 0; j < colWidth[i].length; j++) {
if (result[j]['wch'] < colWidth[i][j]['wch']) {
result[j]['wch'] = colWidth[i][j]['wch'];
}
}
}
ws['!cols'] = result;
/* add worksheet to workbook */ /* add worksheet to workbook */
wb.SheetNames.push(ws_name); wb.SheetNames.push(ws_name);