2019獨角獸企業重金招聘Python工程師標準>>>

public class Page {private int pageSize = 10; //每頁顯示的記錄數private int currentPage = 1; //當前頁private int totalPage = 0; //總頁數private int totalRows = 0; //總記錄數private boolean hasBefore = false; //是否有上一頁private boolean hasNext = false ; //是否有下一頁private String linkHTML=""; //用于保存分頁導航的HTML代碼private String pageURL; //具體的鏈接地址public int getPageSize() {return pageSize;}public void setPageSize(int pageSize) {this.pageSize = pageSize;}public int getCurrentPage() {return currentPage;}public void setCurrentPage(int currentPage) {this.currentPage = currentPage;}public int getTotalPage() {totalPage = ((totalRows + pageSize) - 1) / pageSize;//根據數據總數和每頁顯示的記錄數算出總頁數return totalPage;}public int getTotalRows() {return totalRows;}public void setTotalRows(int totalRows) {this.totalRows = totalRows;}public boolean isHasBefore() {return hasBefore;}public void setHasBefore(boolean hasBefore) {this.hasBefore = hasBefore;}public boolean isHasNext() {return hasNext;}public void setHasNext(boolean hasNext) {this.hasNext = hasNext;}public String getPageURL() {return pageURL;}public void setPageURL(String pageURL) {this.pageURL = pageURL;}//單擊的是首頁public void firstPage(){currentPage = 1; //當前頁的值為1this.setHasBefore(false); //沒有上一頁this.refresh(); //單擊首頁時應該設置是否有上一頁和下一頁}//單擊的是上一頁public void beforePage(){currentPage -- ; //當前頁的值減1this.refresh(); //單擊上一頁時應該設置是否有上一頁和下一頁}//單擊的是下一頁public void nextPage(){if(currentPage < totalPage){currentPage ++ ; // 當前頁的值加1}this.refresh(); //單擊下一頁時應該設置是否有上一頁和下一頁}//單擊的是尾頁public void lastPage(){currentPage = totalPage ; //當前頁的值等于總頁數this.setHasNext(false); //沒有下一頁this.refresh(); //單擊上一頁時應該設置是否有上一頁和下一頁}//判斷用戶的操作，判斷是否有上一頁和下一頁public void refresh(){if(totalPage<=1){ //總頁數小于等于1的情況，沒有上一頁和下一頁this.setHasBefore(false);this.setHasNext(false);}else if(currentPage==1){ //當前頁為首頁，沒有上一頁，有下一頁this.setHasBefore(false);this.setHasNext(true);}else if(currentPage==totalPage){//當前頁為尾頁，沒有下一頁，有上一頁this.setHasBefore(true);this.setHasNext(false);}else{//除了以上的所有條件，有上一頁和下一頁this.setHasBefore(true);this.setHasNext(true);}}//獲得分頁導航代碼的方法，主要根據是否有上一頁和下一頁來判斷public String getLinkHTML() {linkHTML += "共"+this.totalRows+"條記錄 &nbsp;&nbsp;&nbsp;&nbsp;";if( this.hasBefore ){//如果有上一頁，添加上一頁的超鏈接代碼 linkHTML += "<a href='"+this.pageURL+"?currPage=1'>首頁</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";linkHTML += "<a href='"+this.pageURL+"?currPage="+this.currentPage+"&action=before'>上一頁</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";} else{ //如果沒有上一頁linkHTML += "首頁 &nbsp;&nbsp;&nbsp;&nbsp;上一頁&nbsp;&nbsp;&nbsp;&nbsp;"; }if( this.hasNext ){ //如果有下一頁，添加下一頁的超鏈接代碼linkHTML += "<a href='"+this.pageURL+"?currPage="+this.currentPage+"&action=next'>下一頁</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";linkHTML += "<a href='"+this.pageURL+"?currPage="+this.totalPage+"'>尾頁</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";} else { //沒有下一頁linkHTML += "下一頁 &nbsp;&nbsp;&nbsp;&nbsp;尾頁&nbsp;&nbsp;&nbsp;&nbsp;"; }linkHTML +="當前為"+this.currentPage+"/"+this.totalPage+"頁";return linkHTML;}public void setLinkHTML(String linkHTML) {linkHTML = linkHTML;} }

原碼地址:

鏈接：http://pan.baidu.com/s/1kU54ZIn 密碼：y1ci

轉載于:https://my.oschina.net/u/3500033/blog/1068737

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