PageBean-分頁

package com.soyea.util;

import java.io.Serializable;

import java.util.List;

/**

* 分頁工具類

*/

public class PageBean implements Serializable {

private static final long serialVersionUID = -8741766802354222579L;

private int pageSize=5; // 每頁顯示多少條記錄

private int currentPage=1; //當前第幾頁數據

private int totalRecord; // 一共多少條記錄

private int totalPage; // 一共多少頁記錄

private List dataList; //要顯示的數據

public PageBean(int pageNum, int pageSize, List sourceList) {

if (sourceList == null || sourceList.isEmpty()) {

return;

}

// 總記錄條數

this.totalRecord = sourceList.size();

// 每頁顯示多少條記錄

this.pageSize = pageSize;

//獲取總頁數

this.totalPage = this.totalRecord / this.pageSize;

if (this.totalRecord % this.pageSize != 0) {

this.totalPage = this.totalPage + 1;

}

// 當前第幾頁數據

this.currentPage = this.totalPage < pageNum ? this.totalPage : pageNum;

// 起始索引

int fromIndex = this.pageSize * (this.currentPage - 1);

// 結束索引

int toIndex = this.pageSize * this.currentPage > this.totalRecord ? this.totalRecord : this.pageSize * this.currentPage;

this.dataList = sourceList.subList(fromIndex, toIndex);

}

public PageBean() {

}

public PageBean(int pageSize, int currentPage, int totalRecord, int totalPage, List dataList) {

super();

this.pageSize = pageSize;

this.currentPage = currentPage;

this.totalRecord = totalRecord;

this.totalPage = totalPage;

this.dataList = dataList;

}

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 getTotalRecord() {

return totalRecord;

}

public void setTotalRecord(int totalRecord) {

this.totalRecord = totalRecord;

}

public int getTotalPage() {

return totalPage;

}

public void setTotalPage(int totalPage) {

this.totalPage = totalPage;

}

public List getDataList() {

return dataList;

}

public void setDataList(List dataList) {

this.dataList = dataList;

}

@Override

public String toString() {

return "PageBean{" +

"pageSize=" + pageSize +

", currentPage=" + currentPage +

", totalRecord=" + totalRecord +

", totalPage=" + totalPage +

", dataList=" + dataList +

'}';

}

}

總結

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