BaseController.java
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package com.huaheng.framework.web.controller;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.huaheng.api.srm.domain.SRMResult;
import com.huaheng.common.utils.StringUtils;
import com.huaheng.common.utils.security.ShiroUtils;
import com.huaheng.framework.web.domain.AjaxResult;
import com.huaheng.framework.web.domain.ResultErp;
import com.huaheng.framework.web.page.PageDomain;
import com.huaheng.framework.web.page.TableDataInfo;
import com.huaheng.framework.web.page.TableSupport;
import com.huaheng.pc.system.user.domain.User;
import org.apache.commons.collections.MapUtils;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Semaphore;
/**
* web层通用数据处理
*
* @author huaheng
*/
public class BaseController {
/**
* 将前台传递过来的日期格式的字符串，自动转化为Date类型
*/
@InitBinder
public void initBinder(WebDataBinder binder) {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
dateFormat.setLenient(false);
binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
// DateTimeFormatter df = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
// LocalDateTime time = LocalDateTime.now();
// String localTime = df.format(time);
// 将LocalDateTime转为String
}
/**
* 设置请求分页数据
*/
protected void startPage() {
PageDomain pageDomain = TableSupport.buildPageRequest();
Integer pageNum = pageDomain.getPageNum();
Integer pageSize = pageDomain.getPageSize();
if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize)) {
String orderBy = pageDomain.getOrderBy();
PageHelper.startPage(pageNum, pageSize, orderBy);
}
}
protected void startPages() {
PageDomain pageDomain = TableSupport.buildPageRequest();
Integer pageNum = pageDomain.getPageNum();
Integer pageSize = pageDomain.getPageSize() / 2;
if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize)) {
String orderBy = pageDomain.getOrderBy();
PageHelper.startPage(pageNum, pageSize, orderBy);
}
}
/**
* 设置请求分页数据
*/
protected void startPage(Integer pageNum, Integer pageSize, String orderBy) {
PageHelper.startPage(pageNum, pageSize, orderBy);
}
/**
* 响应请求分页数据
*/
@SuppressWarnings({"rawtypes", "unchecked"})
protected TableDataInfo getDataTable(List<?> list) {
TableDataInfo rspData = new TableDataInfo();
rspData.setCode(200);
rspData.setData(list);
rspData.setTotal(new PageInfo(list).getTotal());
return rspData;
}
/**
* 响应返回结果
*
* @param rows 影响行数
* @return 操作结果
*/
protected AjaxResult toAjax(int rows) {
return rows > 0 ? success() : error();
}
/**
* 响应返回结果
*
* @param succeed 是否成功
* @return 操作结果
*/
protected AjaxResult toAjax(boolean succeed) {
return succeed ? success() : error();
}
/**
* 返回成功
*/
public AjaxResult success() {
return AjaxResult.success("操作成功！");
}
/**
* 返回失败消息
*/
public AjaxResult error() {
return AjaxResult.error("操作失败！");
}
/**
* 返回成功消息
*/
public AjaxResult success(String message) {
return AjaxResult.success(message);
}
/**
* 返回失败消息
*/
public AjaxResult error(String message) {
return AjaxResult.error(message);
}
// /**
// * 返回错误码消息
// */
// public AjaxResult error(int code, String message)
// {
// return AjaxResult.error(code, message);
// }
/**
* 页面跳转
*/
public String redirect(String url) {
return StringUtils.format("redirect:{}", url);
}
public User getUser() {
return ShiroUtils.getUser();
}
public void setUser(User user) {
ShiroUtils.setUser(user);
}
public Integer getUserId() {
return getUser().getId();
}
public String getLoginName() {
return getUser().getLoginName();
}
/**
* mybatis-plus响应请求分页数据
*/
@SuppressWarnings({"rawtypes", "unchecked"})
protected TableDataInfo getMpDataTable(List<?> list, Long total) {
TableDataInfo rspData = new TableDataInfo();
rspData.setCode(200);
rspData.setData(list);
rspData.setTotal(total);
return rspData;
}
Semaphore semaphore = new Semaphore(1);
public AjaxResult handleMultiProcess(MultiProcessListener multiProcessListener) {
AjaxResult ajaxResult = null;
int max_time = 30 * 1000;
int now = 0;
boolean avail = true;
while (avail) {
int availablePermits = semaphore.availablePermits();
if (availablePermits > 0) {
avail = false;
try {
semaphore.acquire(1);
ajaxResult = multiProcessListener.doProcess();
} catch (Exception e) {
e.printStackTrace();
ajaxResult = AjaxResult.error(e.getMessage());
} finally {
semaphore.release(1);
}
} else {
ajaxResult = AjaxResult.error("多线程处理异常");
try {
now = now + 200;
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (now >= max_time) {
avail = false;
}
}
}
return ajaxResult;
}
public interface MultiProcessListener {
AjaxResult doProcess();
}
// 下发任务并发控制
Map<String, Boolean> multiProcessMap = new HashMap<>();
public AjaxResult handleMultiProcessV1(String taskKey, MultiProcessListener multiProcessListener) {
AjaxResult ajaxResult = null;
int max_time = 30 * 1000;
int now = 0;
boolean avail = true;
while (avail) {
boolean availablePermits = MapUtils.getBoolean(multiProcessMap, taskKey, false);
if (!availablePermits) {
avail = false;
try {
multiProcessMap.put(taskKey, true);
ajaxResult = multiProcessListener.doProcess();
} catch (Exception e) {
e.printStackTrace();
// throw new RuntimeException(e);
ajaxResult = AjaxResult.error(e.getMessage());
} finally {
multiProcessMap.put(taskKey, false);
}
} else {
ajaxResult = AjaxResult.error("多线程处理异常, 待处理现场太多，等待时间超出30秒");
try {
now = now + 200;
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (now >= max_time) {
avail = false;
}
}
}
return ajaxResult;
}
public AjaxResult handleMultiProcessV2(String taskKey, MultiProcessListener multiProcessListener) {
AjaxResult ajaxResult = null;
int max_time = 10*60*1000;
int now = 0;
boolean avail = true;
while (avail) {
boolean availablePermits = MapUtils.getBoolean(multiProcessMap, taskKey, false);
if (!availablePermits) {
avail = false;
try {
multiProcessMap.put(taskKey, true);
ajaxResult = multiProcessListener.doProcess();
} catch (Exception e) {
e.printStackTrace();
// throw new RuntimeException(e);
ajaxResult = AjaxResult.error(e.getMessage());
} finally {
multiProcessMap.put(taskKey, false);
}
} else {
ajaxResult = AjaxResult.error("多线程处理异常, 待处理现场太多，等待时间超出30秒");
try {
now = now + 200;
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (now >= max_time) {
avail = false;
}
}
}
return ajaxResult;
}
public interface MultiProcessListenerErp {
ResultErp doProcess();
}
public ResultErp handleMultiProcessErp(String taskKey, MultiProcessListenerErp multiProcessListener) {
ResultErp ajaxResult = null;
int max_time = 30 * 1000;
int now = 0;
boolean avail = true;
while (avail) {
boolean availablePermits = MapUtils.getBoolean(multiProcessMap, taskKey, false);
if (!availablePermits) {
avail = false;
try {
multiProcessMap.put(taskKey, true);
ajaxResult = multiProcessListener.doProcess();
} catch (Exception e) {
e.printStackTrace();
// throw new RuntimeException(e);
ajaxResult = ResultErp.error(e.getMessage());
} finally {
multiProcessMap.put(taskKey, false);
}
} else {
ajaxResult = ResultErp.error("多线程处理异常, 待处理现场太多，等待时间超出30秒");
try {
now = now + 200;
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (now >= max_time) {
avail = false;
}
}
}
return ajaxResult;
}
public interface MultiProcessListenerSrm {
SRMResult doProcess();
}
public SRMResult handleMultiProcessSrm(String taskKey, MultiProcessListenerSrm multiProcessListener) {
SRMResult ajaxResult = new SRMResult();
int max_time = 30 * 1000;
int now = 0;
boolean avail = true;
while (avail) {
boolean availablePermits = MapUtils.getBoolean(multiProcessMap, taskKey, false);
if (!availablePermits) {
avail = false;
try {
multiProcessMap.put(taskKey, true);
ajaxResult = multiProcessListener.doProcess();
} catch (Exception e) {
e.printStackTrace();
// throw new RuntimeException(e);
ajaxResult.setSuccess(false);
ajaxResult.setMessage(e.getMessage());
} finally {
multiProcessMap.put(taskKey, false);
}
} else {
ajaxResult.setSuccess(false);
ajaxResult.setMessage("多线程处理异常, 待处理现场太多，等待时间超出30秒");
// ajaxResult = ResultErp.error("多线程处理异常, 待处理现场太多，等待时间超出30秒");
try {
now = now + 200;
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (now >= max_time) {
avail = false;
}
}
}
return ajaxResult;
}
}