我尝试创建一个计算器键盘.Onclick功能正常工作.我的问题是.each()功能.我怎么能穿越我的buttonArray?我无法处理嵌套数组并附<p>加到<div>相同的<input>追加<p>.
我的脚本是这样的:
var buttonArray = [
[{
type: 'button',
className: 'sil',
value: 'C'
}, {
type: 'button',
className: 'hepsiniSil',
value: 'AC'
},
],
[{
type: 'button',
className: 'buttons',
value: '7'
}, {
type: 'button',
className: 'buttons',
value: '8'
}, {
type: 'button',
className: 'buttons',
value: '9'
}, {
type: 'button',
className: 'buttons',
value: '*'
}],
[{
type: 'button',
className: 'buttons',
value: '4'
}, {
type: 'button',
className: 'buttons',
value: '5' …Run Code Online (Sandbox Code Playgroud) 我正在使用apache poi,我创建了一个HSSF工作簿,并尝试打开一个xlsx文件.但是当我用excel打开时,它说文件已损坏.这是我的代码.
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import java.io.FileOutputStream;
public class Excel {
public static void main(String[] args) {
Workbook workbook = new HSSFWorkbook();
try {
FileOutputStream output = new FileOutputStream("Test1.xls");
workbook.write(output);
output.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
Run Code Online (Sandbox Code Playgroud)