导入 libxlsxwriter

Podfile 文件添加如下示例，终端cd到项目文件夹，执行 pod install

pod 'libxlsxwriter'

引用

导入头文件

#import <xlsxwriter/xlsxwriter.h>

创建Excel

- (void)createExcel1Random{

    NSString *fileName = [[UIDevice jy_documentPath] stringByAppendingPathComponent:@"demo_k.xlsx"];
    if ([[NSFileManager defaultManager] fileExistsAtPath:fileName] ) {
        [[NSFileManager defaultManager] removeItemAtPath:fileName error:nil];
    }
    
    NSLog(@"fileName = %@",fileName);
    // 创建新xlsx文件，路径需要转成c字符串
    lxw_workbook  *workbook  = workbook_new([fileName UTF8String]);
    // 创建一个sheet
    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, [@"tem_data" UTF8String] );
    
    ///设置列宽
    worksheet_set_column(worksheet, COLS("A:A"), 1.5, NULL);
    ///序列
    worksheet_set_column(worksheet, COLS("B:B"), 15, NULL);
    ///数据列
    worksheet_set_column(worksheet, COLS("C:C"), 50, NULL);
    ///行高
    worksheet_set_row(worksheet, 0, 10, nil);
    worksheet_set_row(worksheet, 1, 16.8, nil);
    worksheet_set_row(worksheet, 2, 16.8, nil);
    
    
    lxw_format *format = [self generalCellAttribute:workbook];
    
    for (int i = 0; i < 20; i++) {
        NSString *ran = [[NSString jy_randomLetterAndNumber:26] uppercaseString];
        uint32_t lxw_row_t = (uint32_t)(i);
        worksheet_write_string(worksheet, lxw_row_t + 1, 0 + 1, [[NSString stringWithFormat:@"%d",i+1] UTF8String], format);
        worksheet_write_string(worksheet, lxw_row_t + 1, 1 + 1, [ran UTF8String], format);
    }
  
    workbook_close(workbook);
    NSLog(@"fileName = %@",fileName);
}

/// 一般单元格样式
/// @param workbook lxw_format
- (lxw_format *)generalCellAttribute:(lxw_workbook *)workbook{
    lxw_format *format = workbook_add_format(workbook);
    
    format_set_border(format, LXW_BORDER_THIN);// 边框（四周）：中宽边框
    
    // 加粗
    format_set_bold(format);
    //颜色
    format_set_font_color(format, LXW_COLOR_BLACK);
    // 水平居中
    format_set_align(format, LXW_ALIGN_CENTER);
    //垂直居中
    format_set_align(format, LXW_ALIGN_VERTICAL_CENTER);    
    //设置单元格格式
    /*
    format_set_num_format(format, "￥#,##0.00");
     */
    return format;
}

- (void)createExcel2Random{

    NSString *fileName = [[UIDevice jy_documentPath] stringByAppendingPathComponent:@"demo_k.xlsx"];
    if ([[NSFileManager defaultManager] fileExistsAtPath:fileName] ) {
        [[NSFileManager defaultManager] removeItemAtPath:fileName error:nil];
    }
    
    NSLog(@"fileName = %@",fileName);
    // 创建新xlsx文件，路径需要转成c字符串
    lxw_workbook  *workbook  = workbook_new([fileName UTF8String]);
    // 创建一个sheet
    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, [@"tem_data" UTF8String] );
    
    ///设置列宽
    worksheet_set_column(worksheet, COLS("A:A"), 1.5, NULL);
    ///序列
    worksheet_set_column(worksheet, COLS("B:B"), 15, NULL);
    ///数据列
    worksheet_set_column(worksheet, COLS("C:C"), 50, NULL);
    ///行高
    worksheet_set_row(worksheet, 0, 10, nil);
    worksheet_set_row(worksheet, 1, 16.8, nil);
    worksheet_set_row(worksheet, 2, 16.8, nil);
    
    /*合并4个单元格。*/
    worksheet_merge_range(worksheet, 1, 1, 2, 2, [@"合并单元格" UTF8String], [self mergeCellAttribute:workbook]);
    
    lxw_format *format = [self generalCellAttribute:workbook];
    
    for (int i = 0; i < 20; i++) {
        NSString *ran = [[NSString jy_randomLetterAndNumber:26] uppercaseString];
        uint32_t lxw_row_t = (uint32_t)(i);
        worksheet_write_string(worksheet, lxw_row_t + 3, 0 + 1, [[NSString stringWithFormat:@"%d",i+1] UTF8String], format);
        worksheet_write_string(worksheet, lxw_row_t + 3, 1 + 1, [ran UTF8String], format);
    }
  
    workbook_close(workbook);
    NSLog(@"fileName = %@",fileName);
}

/// 合并单元格样式
/// @param workbook lxw_format
- (lxw_format *)mergeCellAttribute:(lxw_workbook *)workbook{
    lxw_format *merge_format = workbook_add_format(workbook);
    /* 为合并范围配置格式。*/
    //合并居中（左右）
    format_set_align(merge_format, LXW_ALIGN_CENTER);
    //合并居中（上下）
    format_set_align(merge_format, LXW_ALIGN_VERTICAL_CENTER);
    //字体加粗
    format_set_bold(merge_format);
    //字体颜色
    format_set_font_color(merge_format,LXW_COLOR_BLACK);
    //字体大小
    format_set_font_size(merge_format, 16.0);
    //背景颜色
    format_set_bg_color(merge_format, LXW_COLOR_GRAY);
    //边框样式
    format_set_border(merge_format, LXW_BORDER_MEDIUM);

    return merge_format;
}

 相关格式

    /* 创建新工作簿。*/
    lxw_workbook *workbook = workbook_new("format_font.xlsx");
 
    /* 添加工作表。*/
    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
 
    /* 扩大第一列，使文本更清晰。*/
    worksheet_set_column（工作表，0，0，20，NULL）；
 
    /* 添加一些格式。*/
    lxw_format *format1 = workbook_add_format(workbook);
    lxw_format *format2 = workbook_add_format(workbook);
    lxw_format *format3 = workbook_add_format(workbook);
 
    /* 为格式1设置粗体属性。*/
    format_set_bold(format1);
 
    /* 为格式2设置斜体属性。*/
    format_set_italic(format2);
 
    /* 为格式3设置粗体和斜体属性。*/
    format_set_bold（格式3）；
    format_set_italic(format3);
 
    /*写一些格式化的字符串。*/
    worksheet_write_string（工作表，0，0，“这是粗体”，格式1）；
    worksheet_write_string（工作表，1，0，“这是斜体”，格式2）；
    worksheet_write_string（工作表，2，0，“粗体和斜体”，格式3）；
 
    /* 关闭工作簿，保存文件并释放任何内存。*/
    workbook_close（工作簿）；

 导出Excel

- (void)exportExcel{
    NSString *filePath = [[UIDevice jy_documentPath] stringByAppendingPathComponent:@"demo_k.xlsx"];
    if ([[NSFileManager defaultManager] fileExistsAtPath:filePath] ) {
        NSURL *url = [NSURL fileURLWithPath:filePath];
        _documentController = [UIDocumentInteractionController interactionControllerWithURL:url];
        _documentController.delegate = self;
        [self openDocumentMenu];
    }
    else{
        NSLog(@"没有文件");
    }
   
}

- (void)openDocumentMenu{
    [_documentController presentOptionsMenuFromRect:self.view.bounds inView:self.view animated:YES]; 
}

官方文档

libxlsxwriter 使用说明文档

libxlsxwriter 使用文档及示例