2025-02-17

JSP
Java代碼 
<% Hashtable<String, String> map = new Hashtable<String, String>();  
               map.put("fileName", fileName); 
               map.put("startTime", startTime); 
               map.put("endTime", endTime); 
               map.put("fileStatus", fileStatus);%> 
            <%= PageHelper.NormalPager(request,  
                                      PageHelper.PER_PAGE_COUNT,  
                                      totalCount,  
                                      "summary.do", 
                                      UrlUtils.getParameterString(map))%> 


後臺代碼
Java代碼 
public static String NormalPager(HttpServletRequest request, int pageSize, 
            int totalCount, String actionName, String paramString) { 
        return GeneratePager(request, pageSize, totalCount, actionName, 
                paramString); 
    } 

Java代碼 
public static String GeneratePager(HttpServletRequest request, 
            int pageSize, int totalCount, String actionName, String paramString) { 
        int totalPages = GetTotalPageCount(totalCount, pageSize); 
 
        if (IsOnlyOnePage(totalPages)) { 
            return ""; 
        } 
 
        int currentPage = GetCurrentPage(request, totalPages); 
 
        StringBuilder output = new StringBuilder(); 
        output.append("<p class='pagination'>"); 
        HandleFirstPage(output, currentPage, actionName, paramString); 
        HandlePreviousPage(output, currentPage, actionName, paramString); 
        HandlePagers(output, totalPages, currentPage, actionName, paramString); 
        HandleNextPage(output, totalPages, currentPage, actionName, paramString); 
        HandleLastPage(output, totalPages, currentPage, actionName, paramString); 
        output.append("</p>"); 
 
        logger.debug(output.toString()); 
 
        return output.toString(); 
    } 

 

Java代碼 
private static int GetTotalPageCount(int totalCount, int pageSize) { 
        logger.debug("totalCount:" + totalCount); 
        logger.debug("pageSize:" + pageSize); 
        return Math.max((totalCount + pageSize – 1) / pageSize, 1); 
    } 

Java代碼 
private static void HandleFirstPage(StringBuilder output, int currentPage, 
            String actionName, String paramString) { 
        if (CurrentInFirstPage(currentPage)) { 
            output.append("<span class='disabled'>First</span>"); 
        } else { 
            output.append(String.format( 
                    "<a href='%1$s?page=%2$d&%3$s'>First</a>", actionName, 1, 
                    paramString)); 
        } 
    } 

Java代碼 
private static void HandleNextPage(StringBuilder output, int totalPages, 
            int currentPage, String actionName, String paramString) { 
 
        if (CurrentInLastPage(currentPage, totalPages)) { 
            output.append("<span class='disabled'>next</span>"); 
        } else { 
            output.append(String.format( 
                    "<a href='%1$s?page=%2$d&%3$s'>next</a>", actionName, 
                    currentPage + 1, paramString)); 
        } 
    } 

作者“Tristan”
 

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