pages.java

struts+hiernate+spring分页

package javafish.util;

import javax.servlet.http.HttpServletRequest;

public class Pages {

	  HttpServletRequest request = null;
	  String filename = "";  
	  int page = 1; 
	  long totals = -1;  
	  int perpagenum = 8;  
	  int style = 0;  
	  int allpage = 1; 
	  int cpage = 1;  
	  int spage = 1;  
	  String listPageBreak = "";
	  String[] pagesign = null;

	  public Pages() {
	  }

	  public Pages(HttpServletRequest request) {
	    this.request = request;
	    this.pagesign = SysUtil.getPagesign(request);
	  }

	  public Pages(HttpServletRequest request, int page, int totals, int perpagenum,
	               int style) {
	    this.request = request;
	    this.page = page;
	    this.totals = totals;
	    this.perpagenum = perpagenum;
	    this.style = style;
	    this.pagesign = SysUtil.getPagesign(request);
	  }

	  public Pages(HttpServletRequest request, int page, int totals, int perpagenum) {
	    this.request = request;
	    this.page = page;
	    this.totals = totals;
	    this.perpagenum = perpagenum;
	    this.pagesign = SysUtil.getPagesign(request);
	  }

	  public Pages(HttpServletRequest request, int page, int perpagenum) {
	    this.request = request;
	    this.page = page;
	    this.perpagenum = perpagenum;
	    this.pagesign = SysUtil.getPagesign(request);
	  }

	  public String getFileName() {
	    return this.filename;
	  }

	  public void setFileName(String aFileName) {
	    this.filename = aFileName;
	  }

	  public int getPage() {
	    return this.page;
	  }

	  public void setPage(int aPage) {
	    this.page = aPage;
	  }

	  public long getTotals() {
	    return this.totals;
	  }

	  public void setTotals(long aTotals) {
	    this.totals = aTotals;
	  }

	  public int getPerPageNum() {
	    return this.perpagenum;
	  }

	  public void setPerPageNum(int aperpagenum) {
	    this.perpagenum = aperpagenum;
	  }

	  public int getStyle() {
	    return this.style;
	  }

	  public void setStyle(int aStyle) {
	    this.style = aStyle;
	  }

	  public void setPagesign(String[] apagesign) {
	    this.pagesign = apagesign;
	  }

	  public int getSpage() {
	    return this.spage;
	  }

	  public void doPageBreak() {
	    this.allpage = (int) Math.ceil( (this.totals + this.perpagenum - 1) /
	                                   this.perpagenum);
	    int intPage = this.page;
	    if (intPage > this.allpage) { // pages == 0
	      this.cpage = 1;
	    }
	    else {
	      this.cpage = intPage;
	    }
	    this.spage = (this.cpage - 1) * this.perpagenum;
	    getPageBreakStr();
	  }

	  public String getListPageBreak() {
	    return this.listPageBreak;
	  }

	  private void getPageBreakStr() {

	    if (this.filename.indexOf("?") == -1 &&
	        (this.filename.endsWith(".do") ||
	         this.filename.endsWith(Constant.FILEPREFIX))) {
	      this.filename = this.filename + "?";
	    }
	    else {
	      if (!this.filename.endsWith("&")) {
	        this.filename = this.filename + "&";
	      }
	    }

	    StringBuffer sb = new StringBuffer();

	    if (this.style == 0) {
	      if (this.cpage > 1) {
	        sb.append("[<a href='");
	        sb.append(this.filename);
	        sb.append("page=1' >");
	        sb.append(pagesign[0]);
	        sb.append("</a>] [<a href='");
	        sb.append(this.filename);
	        sb.append("page=");
	        sb.append( (cpage - 1));
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[1]);
	        sb.append("</a>] ");
	        this.listPageBreak = sb.toString();
	        
	      }
	      if (this.cpage < this.allpage) {
	        sb.append("[<a href='");
	        sb.append(this.filename);
	        sb.append("page=");
	        sb.append( (cpage + 1));
	        sb.append("' >");
	        sb.append(pagesign[2]);
	        sb.append("</a>] [<a href='");
	        sb.append(this.filename);
	        sb.append("page=");
	        sb.append(this.allpage);
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new

	        sb.append("' >");
	        sb.append(pagesign[3]);
	        sb.append("</a>] ");
	        this.listPageBreak = sb.toString();
	        
	      }
	      return;
	    }
	    if (this.style == 1) {
	      if (this.cpage > 1) {
	        sb.append("[<a href='");
	        sb.append(this.filename);
	        sb.append("page=1");
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[0]);
	        sb.append("</a>] [<a href='");
	        sb.append(this.filename);
	        sb.append("page=");
	        sb.append( (cpage - 1));
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[1]);
	        sb.append("</a>] ");
	         
	      }
	      if (this.cpage < this.allpage) {
	        sb.append("[<a href='");
	        sb.append(this.filename);
	        sb.append("page=");
	        sb.append( (cpage + 1));
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[2]);
	        sb.append("</a>] [<a href='");
	        sb.append(this.filename);
	        sb.append("page=");
	        sb.append(this.allpage);
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new

	        sb.append("'>");
	        sb.append(pagesign[3]);
	        sb.append("</a>] ");
	        
	      }
	      int _cpage = 0;
	      if (this.allpage == 0) {
	        _cpage = 0;
	      }
	      else {
	        _cpage = cpage;
	      }
	      sb.append(Constant.MESSAGE.getMessage(this.request.getLocale(),
	                                            "bbscs.pages.str",
	                                            String.valueOf(this.totals),
	                                            String.valueOf(_cpage),
	                                            String.valueOf(this.allpage)));
	       
	      this.listPageBreak = sb.toString();
	      return;
	    }
	    if (this.style == 2) {
	      if (this.cpage > 1) {
	        sb.append("[<a href='");
	        sb.append(this.filename);
	        sb.append("inpages=1");
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[0]);
	        sb.append("</a>] [<a href='");
	        sb.append(this.filename);
	        sb.append("inpages=");
	        sb.append( (cpage - 1));
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[1]);
	        sb.append("</a>] ");
	         
	      }
	      if (this.cpage < this.allpage) {
	        sb.append("[<a href='");
	        sb.append(this.filename);
	        sb.append("inpages=");
	        sb.append( (cpage + 1));
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[2]);
	        sb.append("</a>] [<a href='");
	        sb.append(this.filename);
	        sb.append("inpages=");
	        sb.append(this.allpage);
	        //new
	        sb.append("&t=");
	        sb.append(this.totals);
	        //new
	        sb.append("'>");
	        sb.append(pagesign[3]);
	        sb.append("</a>] ");
	        
	      }
	      int _cpage = 0;
	      if (this.allpage == 0) {
	        _cpage = 0;
	      }
	      else {
	        _cpage = cpage;
	      }
	      sb.append(Constant.MESSAGE.getMessage(this.request.getLocale(),
	                                            "bbscs.pages.str",
	                                            String.valueOf(this.totals),
	                                            String.valueOf(_cpage),
	                                            String.valueOf(this.allpage)));
	      this.listPageBreak = sb.toString();
	      
	      return;
	    }

	    if (this.style == 3) {
	      String postto;
	      if (this.filename != null && this.filename.length() > 0) {

	        sb.append(
	            "<table width=\"100%\"  border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\n");
	        filename = filename.toLowerCase();
	        int index = filename.indexOf("?");
	        if (index != -1) {
	          postto = filename.substring(0, index);
	          filename = filename.substring(index + 1, filename.length());
	        }
	        else {
	          postto = filename;
	          filename = "";
	        }
	        sb.append("<FORM METHOD=POST ACTION=\"" + postto + "\">\n");
	        sb.append("<tr><td><div align=\"right\">\n");
	        System.out.println(filename);
	        if (filename != null && filename.length() > 0) {
	          String[] ss = filename.split("&");
	          if (ss != null) {
	            System.out.println(ss.length);
	            for (int i = 0; i < ss.length; i++) {
	              String[] p = ss[i].split("=");
	              if (p != null && p.length == 2) {
	                sb.append("<INPUT TYPE=\"hidden\" name=\"" + p[0] +
	                          "\" value=\"" +
	                          p[1] + "\">\n");

	              }
	            }
	          }
	        }

	        if (filename != null && filename.length() > 0) {
	          filename = postto + "?" + filename;
	        }
	        else {
	          filename = postto;
	        }

	        if (this.cpage > 1) {
	          sb.append("[<a href='");
	          sb.append(this.filename);
	          sb.append("page=1");
	          //new
	          sb.append("&t=");
	          sb.append(this.totals);
	          //new
	          sb.append("'>");
	          sb.append(pagesign[0]);
	          sb.append("</a>] [<a href='");
	          sb.append(this.filename);
	          sb.append("page=");
	          sb.append( (cpage - 1));
	          //new
	          sb.append("&t=");
	          sb.append(this.totals);
	          //new
	          sb.append("'>");
	          sb.append(pagesign[1]);
	          sb.append("</a>] ");

	        }
	        if (this.cpage < this.allpage) {
	          sb.append("[<a href='");
	          sb.append(this.filename);
	          sb.append("page=");
	          sb.append( (cpage + 1));
	          //new
	          sb.append("&t=");
	          sb.append(this.totals);
	          //new
	          sb.append("'>");
	          sb.append(pagesign[2]);
	          sb.append("</a>] [<a href='");
	          sb.append(this.filename);
	          sb.append("page=");
	          sb.append(this.allpage);
	          //new
	          sb.append("&t=");
	          sb.append(this.totals);
	          //new
	          sb.append("'>");
	          sb.append(pagesign[3]);
	          sb.append("</a>] ");

	        }
	        int _cpage = 0;
	        if (this.allpage == 0) {
	          _cpage = 0;
	        }
	        else {
	          _cpage = cpage;
	        }
	        sb.append(Constant.MESSAGE.getMessage(this.request.getLocale(),
	                                              "bbscs.pages.str",
	                                              String.valueOf(this.totals),
	                                              String.valueOf(_cpage),
	                                              String.valueOf(this.allpage)));
	        sb.append(" ");
	        sb.append(Constant.MESSAGE.getMessage(this.request.getLocale(),
	                                              "bbscs.pages.post"));
	        sb.append("</div></td></tr>\n");
	        sb.append("</FORM>\n");
	        sb.append("</table>\n");

	        this.listPageBreak = sb.toString();
	      }
	      return;
	    }

	  }

	  public HttpServletRequest getRequest() {
	    return request;
	  }

	  public void setRequest(HttpServletRequest request) {
	    this.request = request;
	  }

	}