gfwleak/k18-ntcs-web-ntc
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

修改分页信息

Browse Source
This commit is contained in:
zhangwei
2018-03-06 14:44:34 +08:00
parent e1c6e8fd92
commit 7ff672d467
1 changed files with 49 additions and 170 deletions
Download Patch File Download Diff File Expand all files Collapse all files

219
src/main/java/com/nis/domain/Page.java
View File

@@ -4,7 +4,7 @@
package com.nis.domain;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
@@ -13,16 +13,11 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.apache.ibatis.mapping.ResultMap;
import org.apache.ibatis.mapping.ResultMapping;
import org.apache.ibatis.session.SqlSessionFactory;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.nis.util.Configurations;
import com.nis.util.Constants;
import com.nis.util.CookieUtil;
import com.nis.util.StringUtil;
import com.nis.web.service.SpringContextHolder;
/**
* 分页类
@@ -52,7 +47,7 @@ public class Page<T> {
private String orderBy = ""; // 标准查询有效， 实例： updatedate desc, name asc
private String fields ="";//制定资源的字段
private String fields;//制定资源的字段
private String where;
@@ -63,10 +58,9 @@ public class Page<T> {
private String message = ""; // 设置提示消息，显示在“共n条”之后
public Page() {
this.pageSize = pageSize;
this.pageSize = -1;
}
/**
* 构造方法
* @param request 传递 repage 参数，来记住页码
@@ -74,27 +68,11 @@ public class Page<T> {
*/
public Page(HttpServletRequest request, HttpServletResponse response){
this(request, response,Integer.valueOf(Configurations.getIntProperty("page.pageSize", 30)));
}
/**
* 构造方法
* @param request 传递 repage 参数，来记住页码
* @param response 用于设置 Cookie，记住页码
*
*/
public Page(HttpServletRequest request, HttpServletResponse response,Class clazz){
this(request, response,clazz.getSimpleName(),Integer.valueOf(Configurations.getIntProperty("page.pageSize", 30)));
}
public Page(HttpServletRequest request, HttpServletResponse response,int defaultPageSize){
this(request, response,"",Integer.valueOf(Configurations.getIntProperty("page.pageSize", 30)));
this(request, response, Integer.valueOf(Configurations.getIntProperty("page.pageSize", 30)));
}
public Page(HttpServletRequest request, HttpServletResponse response,String className, int defaultPageSize){
public Page(HttpServletRequest request, HttpServletResponse response, int defaultPageSize){
try {
// 设置页码参数（传递repage参数，来记住页码）
String no = request.getParameter("pageNo");
@@ -111,7 +89,13 @@ public class Page<T> {
}
// 设置页面大小参数（传递repage参数，来记住页码大小）
String size = request.getParameter("pageSize");
String size = "";
if(defaultPageSize==-1){
size = "-1";
}else{
size = request.getParameter("pageSize");
}
if (StringUtils.isNotBlank(size)) {
if (StringUtils.isNumeric(size) || size.equals("-1")){
@@ -126,24 +110,20 @@ public class Page<T> {
} else {
this.pageSize = defaultPageSize;
}
//超出每页最大显示条数，取限制的最大条数
if(this.pageSize > Constants.MAX_PAGE_SIZE){
this.pageSize = Constants.MAX_PAGE_SIZE;
}
String fields = request.getParameter("fields");
if (StringUtils.isNotBlank(fields)){
fields=getFiledsSql(className, fields);
this.setFields(fields);
}
// 设置排序参数
String orderBy = request.getParameter("orderBy");
if (StringUtils.isNotBlank(orderBy)){
orderBy=getOrderBySql(className, orderBy);
this.setOrderBy(orderBy);
}
this.count=Integer.valueOf(Configurations.getIntProperty("page.count", -1));
this.setWhere(getWhere(request));
} catch (Exception e) {
e.printStackTrace();
@@ -334,8 +314,8 @@ public class Page<T> {
sb.append("<li class=\"disabled controls\"><a href=\"javascript:\">当前 ");
sb.append("<input type=\"text\" value=\""+pageNo+"\" onkeypress=\"var e=window.event||this;var c=e.keyCode||e.which;if(c==13)");
sb.append(funcName+"(this.value,"+pageSize+",'"+funcParam+"');\" onclick=\"this.select();\"/> / ");
sb.append("<input type=\"text\" value=\""+pageSize+"\" onkeypress=\"var e=window.event||this;var c=e.keyCode||e.which;if(c==13)");
sb.append(funcName+"("+pageNo+",this.value,'"+funcParam+"');\" onclick=\"this.select();\"/> 条，");
sb.append("<input type=\"text\" value=\""+last+"\" onkeypress=\"var e=window.event||this;var c=e.keyCode||e.which;if(c==13)");
sb.append(funcName+"("+pageNo+",this.value,'"+funcParam+"');\" onclick=\"this.select();\"/> 页，");
sb.append("共 " + count + " 条"+(message!=null?message:"")+"</a></li>\n");
sb.insert(0,"<ul>\n").append("</ul>\n");
@@ -643,138 +623,37 @@ public class Page<T> {
public int getMaxResults(){
return getPageSize();
}
/**
* @Title: getFiledsSql
* @Description: 将fields的属性名称替换为字段名称
* @param @param mapName
* @param @param fileds
* @param @return
* @param @throws Exception
* @return Map 返回类型
* @author （DDM）
* @version V1.0
*/
@JsonIgnore
public String getFiledsSql(String mapName,String fileds) throws Exception{
String[] fieldsColoumn=null;
String orderByStr="";
//所有字段名
List<String> columnList=new ArrayList<String>();
//所有属性名
List<String> propertyList=new ArrayList<String>();
//属性名称为key，字段名称为value
Map<String, String> columnMap=new HashMap<String, String>();
if(!StringUtil.isBlank(fileds)){
//解析Fileds的字段/属性名称
fieldsColoumn=fileds.split(",");
//从resultMap中获取字段名称和属性名称
if(fieldsColoumn != null){
SqlSessionFactory sqlSessionFactory=SpringContextHolder.getBean(SqlSessionFactory.class);
ResultMap map= sqlSessionFactory.getConfiguration().getResultMap(mapName+"Map");
List<ResultMapping> mapping= map.getResultMappings();
for(ResultMapping mapp:mapping){
columnList.add(mapp.getColumn().toLowerCase());
propertyList.add(mapp.getProperty());
columnMap.put(mapp.getProperty(), mapp.getColumn());
}
}
if(fieldsColoumn != null){
fileds="";
for (String column : fieldsColoumn) {
if(!StringUtil.isBlank(column)){
column=column.trim();
if(columnList.contains(column.toLowerCase())){
fileds+=","+column;
}else if(propertyList.contains(column)){
fileds+=","+columnMap.get(column).toString();
}
}
}
if(!StringUtil.isBlank(fileds)){
fileds=fileds.substring(1);
}
}
}
return fileds;
}
/**
* @Title: getOrderBySql
* @Description: 将orderBy的属性名称替换为字段名称
* @param @param mapName
* @param @param orderBy
* @param @return
* @param @throws Exception
* @return Map 返回类型
* @author （DDM）
* @version V1.0
*/
@JsonIgnore
public static String getOrderBySql(String mapName,String orderBy) throws Exception{
String[] orderByColoumn=null;
//所有字段名
List<String> columnList=new ArrayList<String>();
//所有属性名
List<String> propertyList=new ArrayList<String>();
Map<String, String> columnMap=new HashMap<String, String>();
if(!StringUtil.isBlank(orderBy)){
//解析orderBy的字段/属性名称
orderByColoumn=orderBy.split(",");
//从resultMap中获取字段名称和属性名称
if(orderByColoumn != null){
SqlSessionFactory sqlSessionFactory=SpringContextHolder.getBean(SqlSessionFactory.class);
ResultMap map= sqlSessionFactory.getConfiguration().getResultMap(mapName+"Map");
List<ResultMapping> mapping= map.getResultMappings();
for(ResultMapping mapp:mapping){
columnList.add(mapp.getColumn().toLowerCase());
propertyList.add(mapp.getProperty());
columnMap.put(mapp.getProperty(), mapp.getColumn());
}
}
if(orderByColoumn != null){
orderBy="";
for (String column : orderByColoumn) {
if(!StringUtil.isBlank(column)){
if(columnList.contains(replaceOrderBy(column))){
orderBy+=","+column;
}else if(propertyList.contains(replaceOrderBy(column))){
//如果是实体类名字则获取对应数据库名字+排序方式
orderBy+=","+columnMap.get(replaceOrderBy(column)).toString()
+column.replace(replaceOrderBy(column), "");
}
}
}
if(!StringUtil.isBlank(orderBy)){
orderBy=orderBy.substring(1);
}
}
}
return orderBy;
}
/**
* @Title: replaceOrderBy
* @Description: 去掉orderBy中的desc和asc
* @param @param str
* @param @return
* @return Map 返回类型
* @author （DDM）
* @version V1.0
*/
public static String replaceOrderBy(String str){
if(!StringUtil.isBlank(str)){
str=str.trim();
str=str.replace(" asc","");
str=str.replace(" ASC","");
str=str.replace(" DESC","");
str=str.replace(" desc","");
str=str.trim();
}
return str;
}
// /**
// * 获取 Spring data JPA 分页对象
// */
// public Pageable getSpringPage(){
// List<Order> orders = new ArrayList<Order>();
// if (orderBy!=null){
// for (String order : StringUtils.split(orderBy, ",")){
// String[] o = StringUtils.split(order, " ");
// if (o.length==1){
// orders.add(new Order(Direction.ASC, o[0]));
// }else if (o.length==2){
// if ("DESC".equals(o[1].toUpperCase())){
// orders.add(new Order(Direction.DESC, o[0]));
// }else{
// orders.add(new Order(Direction.ASC, o[0]));
// }
// }
// }
// }
// return new PageRequest(this.pageNo - 1, this.pageSize, new Sort(orders));
// }
//
// /**
// * 设置 Spring data JPA 分页对象，转换为本系统分页对象
// */
// public void setSpringPage(org.springframework.data.domain.Page<T> page){
// this.pageNo = page.getNumber();
// this.pageSize = page.getSize();
// this.count = page.getTotalElements();
// this.list = page.getContent();
// }
}