jqGrid表格加水印换背景.docx

Css:.ui-widget-content { background: none;} //覆盖掉jqGrid自带的背景图片.alpha1{background-image:url(%=webpath%/servlet/FileImageCreatorServlet);//此处用的是servlet生成的图片，可以自定义显示内容，也可以自己指定图片，那下面的servlet FileImageCreatorServlet.java就不需要添加了，相对对应的Web.xml也不需要配置了。width:100%; //宽度要设定，否则ie8,ie7会出现透明度失效filter:alpha(opacity=20); //外层透明度20}.alpha2{filter:alpha(opacity=100);//表格背景透明度100}.Jsp:div class=alpha1 table id=xxxx class=alpha2/table //jqGrid表格渲染table，xxxx是jqGrid表格的ID/div,Ps:还有关于jqgrid 表格一下特殊需求的，可以联系笔者，共同学习。QQ:695004175-----------------------------------如果想自定义图片内容的话，进行以下操作。------------------------------------------------------------Web.xmlWeb.xml中配置生成img的servletservletservlet-nameFileImageCreatorServlet/servlet-nameservlet-classcom.linkage.bi.powershow.util.FileImageCreatorServlet/servlet-class/servletservlet-mappingservlet-nameFileImageCreatorServlet/servlet-nameurl-pattern/servlet/FileImageCreatorServlet/url-pattern/servlet-mapping.java添加servlet FileImageCreatorServlet.java import java.awt.Color;import java.awt.Font;import java.awt.FontMetrics;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.image.BufferedImage;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.util.Date;import java.util.Properties;import java.util.Random;import javax.imageio.ImageIO;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import com.linkage.bi.portal.bean.StaffSessBean;import com.linkage.bi.util.DateUtil;import com.linkage.bi.util.SessionInfoUtil;public class FileImageCreatorServlet extends HttpServlet{private String fileName; private static Random rnd = new Random(new Date().getTime());// 图片宽度private int width = 400;// 图片高度private int height = 200;// 外框颜色private Color rectColor = new Color(255, 255, 255);// 背景色private Color bgColor = new Color(255, 255, 255);// 干扰线数目private int lineNum = 0;// 图片格式private