Spring MVC 分页组件和JqGrid导出

package com.chnet.medibank.util.paging.taglib; import java.io.Serializable; import javax.servlet.jsp.JspException; import javax.servlet.jsp.tagext.TagSupport; import com.chnet.medibank.util.paging.domain.Page; /** * @project paging * @path wilr.utils.paging.taglib * @desc 分页标签 * @author Wilr * @QQ:545881075 * @time 2012-2-28 上午12:02:21 */ public class PagingTag extends TagSupport implements Serializable { private static final long serialVersionUID = 1L; /** * 是否显示改变页数下拉框 */ private boolean skipCount = true; /** * 是否显示跳页输入框 */ private boolean jumpText = true; /** * 是否显示上/下一页按钮 */ private boolean prevPage = true; /** * 是否显示首/尾页按钮 */ private boolean startPage = true; /** * 是否显示遍历页 */ private boolean forPage = true; /** * 是否显示当前页和总页数 */ private boolean showCurAndSum = true; /** * 是否启用刷新 */ private boolean refresh=true; /** * 分页实体对象 */ private Page page; /** *请求URL */ private String url; public boolean isSkipCount() { return skipCount; } public void setSkipCount(boolean skipCount) { this.skipCount = skipCount; } public boolean isJumpText() { return jumpText; } public void setJumpText(boolean jumpText) { this.jumpText = jumpText; } public boolean isPrevPage() { return prevPage; } public void setPrevPage(boolean prevPage) { this.prevPage = prevPage; } public boolean isStartPage() { return startPage; } public void setStartPage(boolean startPage) { this.startPage = startPage; } public boolean isForPage() { return forPage; } public void setForPage(boolean forPage) { this.forPage = forPage; } public boolean isShowCurAndSum() { return showCurAndSum; } public void setShowCurAndSum(boolean showCurAndSum) { this.showCurAndSum = showCurAndSum; } public boolean isRefresh() { return refresh; } public void setRefresh(boolean refresh) { this.refresh = refresh; } public Page getPage() { return page; } public void setPage(Page page) { this.page = page; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } /** * 输出分页标签 */ public int doStartTag() throws JspException { try { if(page!=null){ long currentPage=page.getCurrentPage(); //获得当前页面 long totalPage=page.getTotalPage(); //获得总页数 StringBuilder builder=new StringBuilder("<script type='text/javascript'>"); builder.append("function loadPage(pagenum){var url='"+url+"?page.currentPage='+pagenum;self.location.href=url}"); builder.append("function jumpPage(){var jumpPageNum=document.getElementById('jump_page_num').value;"); builder.append("if(jumpPageNum.length<=0){alert('请填写要跳转的页面值!');return false;}"); builder.append("if(!(/^[1-9]\\d*$/).test(jumpPageNum)){alert('跳转页面值只能填写正整数');return false;}"); builder.append("if(jumpPageNum>"+page.getTotalPage()+"){alert('跳转的页数大于总页数!');return false;}"); builder.append("var url='"+url+"?page.currentPage='+jumpPageNum;self.location.href=url }"); builder.append("function refreshPage(){self.location.href='"+url+"';}"); builder.append("</script>"); builder.append("<div class='page'><ul>"); //如果当前页面为第一页 if(currentPage==1){ if(startPage) builder.append("<li class='start_off'></li>"); if(prevPage) builder.append("<li class='first_off'></li>"); } //当前页面不是第一页 else{ if(startPage) builder.append("<li class='start' onclick='javascript:loadPage(\"1\");'></li>"); if(prevPage) builder.append("<li class='first' onclick='javascript:loadPage(\""+(page.getCurrentPage()-1)+"\");'></li>"); } //判断是否显示google风格的分页 if(forPage && totalPage>0){ builder.append("<li>"); builder.append("<div class='pagenumber'>"); builder.append("<ul>"); builder.append("<li class='fleft'></li>"); /** * 每次只取9页 */ for(long pagenum=1;pagenum<=page.getTotalPage();pagenum++){ if(page.getCurrentPage()<5 && pagenum<10){ if(pagenum==page.getCurrentPage()) builder.append("<li class='nowPage' title='第"+pagenum+"页'>"+pagenum+"</li>"); else builder.append("<li class='fcenter' title='第"+pagenum+"页'><a href='"+url+"?page.currentPage="+pagenum+"'>"+pagenum+"</a></li>"); }else{ //页面大于5以后,当前页位于中间 if(pagenum>page.getCurrentPage()-5 && pagenum<page.getCurrentPage()+5){ if(pagenum==page.getCurrentPage()) builder.append("<li class='nowPage' title='第"+pagenum+"页'>"+pagenum+"</li>"); else builder.append("<li class='fcenter' title='第"+pagenum+"页'><a href='"+url+"?page.currentPage="+pagenum+"'>"+pagenum+"</a></li>"); } } } builder.append("<li class='fright'></li>"); builder.append("</ul>"); builder.append("</div>"); builder.append("</li>"); } //如果当前页面为尾页 if(currentPage==totalPage || totalPage<=0){ if(prevPage) builder.append("<li class='next_off'></li>"); if(startPage) builder.append("<li class='end_off'></li>"); } //当前页面不是尾页 else{ if(prevPage) builder.append("<li class='next' onclick='javascript:loadPage(\""+(page.getCurrentPage()+1)+"\");'></li>"); if(startPage) builder.append("<li class='end' onclick='javascript:loadPage(\""+page.getTotalPage()+"\");'></li>"); } /* 先屏蔽 //如果启用页面显示页数选择 这里启用5 10 15 20供用户选择 if(skipCount){ builder.append("<li>"); builder.append("<select class='rounded' name='page.pageSize'"); builder.append("<option value='5'>5条/页</option>"); builder.append("<option value='10' selected='selected'>10条/页</option>"); builder.append("<option value='15'>15条/页</option>"); builder.append("<option value='20'>20条/页</option>"); builder.append("</select>"); builder.append("</li>"); }*/ //如果启用页面跳转 if(jumpText && totalPage>0){ builder.append("<li>"); builder.append("<input type='text' size='5' name='page.currentPage' id='jump_page_num' class='rounded jumpInput'>"); builder.append("</li>"); builder.append("<li class='jump' onclick='javascript:jumpPage();'></li>"); } //如启用总页数显示 if(showCurAndSum){ builder.append("<li class='pageInfo'>共<span>"+page.getTotalCount()+"</span>条/共<span>"+page.getTotalPage()+"</span>页</li>"); } if(refresh){ builder.append("<li class='refresh' title='刷新'