18.03.15~18.03.16~18.03.19

ajax 返回报错

Java String 如何加双引号

 1 public class Test{     
 2      
 3     public static void main(String[] args){     
 4         String str1 = "\"name\"";//字符串两边含有双引号      
 5         String str2 = "name \"is\" zcr";//字符串中间含有双引号      
 6         String str3 = "\\name";//使用转义字符还可以使字符串包含其他字符      
 7              
 8         System.out.println("字符串一:" + str1);     
 9         System.out.println("字符串二:" + str2);     
10         System.out.println("字符串三:" + str3);     
11     }     
12 } 

字符串一:"name" 
字符串二:name "is" zcr
字符串三:\name

jxl 生成 excel 文件 添加 IF 公式

=IF(IF(O12="",0,O12)+IF(Q12="",0,Q12)=0,0,K12+O12-Q12)

esay-ui的validate 封装成方法调用不生效

res = $("#searchForm").form("validate");
if (!res) {
    return false;
}
$('#zk_Kanri5_Upd').attr({disabled:true});
$('#zk_Kanri5_Upd').validatebox('remove');

form嵌套失效但是不报错

<form>
<form>
</form>
</form>

WritableCell wc = ws.getWritableCell(0,0);
//判断单元格的类型,做出相应的转换
Label label = (Label)wc;
label.setString(“The value has been modified”);
应该是这里判断类型出错了,你的1.xls文件中的sheet1表中的A1内容一定是数字,改为别的文本就不会出错了。

response.setContentType(“application/msexcel”);这是输出为EXCEL格式的

response.setContentType("text/plain");
<option   value="image/bmp">BMP</option>  
<option   value="image/gif">GIF</option>  
<option   value="image/jpeg">JPEG</option>  
<option   value="image/tiff">TIFF</option>  
<option   value="image/x-dcx">DCX</option>  
<option   value="image/x-pcx">PCX</option>  
<option   value="text/html">HTML</option>  
<option   value="text/plain">TXT</option>  
<option   value="text/xml">XML</option>  
<option   value="application/afp">AFP</option>  
<option   value="application/pdf">PDF</option>  
<option   value="application/rtf">RTF</option>  
<option   value="application/msword">MSWORD</option>  
<option   value="application/vnd.ms-excel">MSEXCEL</option>  
<option   value="application/vnd.ms-powerpoint">MSPOWERPOINT</option>  
<option   value="application/wordperfect5.1">WORDPERFECT</option>  
<option   value="application/vnd.lotus-wordpro">WORDPRO</option>  
<option   value="application/vnd.visio">VISIO</option>  
<option   value="application/vnd.framemaker">FRAMEMAKER</option>  
<option   value="application/vnd.lotus-1-2-3">LOTUS123</option>

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转载自blog.csdn.net/yw2567/article/details/79579400