package com.javaweb.app.common.base;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import com.javaweb.app.common.interceptor.AuthenticationInterceptor;
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import com.javaweb.app.common.page.PageSupport;
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import com.javaweb.app.common.page.ResultData;
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import com.javaweb.common.core.domain.AjaxResult;
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import com.javaweb.common.core.page.PageDomain;
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import com.javaweb.common.utils.StringUtils;
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import java.util.List;
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/**
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* web层通用数据处理
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*/
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public class BaseAppController
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{
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/**
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* 设置请求分页数据
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*/
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protected void startPage()
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{
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PageDomain pageDomain = PageSupport.buildPageRequest();
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Integer pageNum = pageDomain.getPageNum();
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Integer pageSize = pageDomain.getPageSize();
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if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize))
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{
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String orderBy = pageDomain.getOrderBy();
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PageHelper.startPage(pageNum, pageSize, orderBy);
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}
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}
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/**
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* 封装分页数据
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* @param list
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* @return
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* @author zmr
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*/
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@SuppressWarnings({"unchecked", "rawtypes"})
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protected ResultData getDataPage(List<?> list)
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{
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ResultData rspData = new ResultData();
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rspData.setCode(0);
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rspData.setRows(list);
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rspData.setTotal(new PageInfo(list).getTotal());
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return rspData;
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}
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/**
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* 响应返回结果
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*
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* @param rows 影响行数
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* @return 操作结果
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*/
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protected AjaxResult toAjax(int rows)
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{
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return rows > 0 ? success() : error();
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}
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/**
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* 返回成功
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*/
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public AjaxResult success()
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{
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return AjaxResult.success();
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}
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/**
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* 返回失败消息
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*/
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public AjaxResult error()
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{
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return AjaxResult.error();
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}
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/**
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* 返回成功消息
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*/
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public AjaxResult success(String message)
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{
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return AjaxResult.success(message);
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}
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/**
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* 返回失败消息
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*/
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public AjaxResult error(String message)
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{
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return AjaxResult.error(message);
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}
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/**
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* 页面跳转
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*/
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public String redirect(String url)
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{
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return StringUtils.format("redirect:{}", url);
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}
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public static long getCurrentUserId()
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{
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Long userId = (Long) PageSupport.getRequest().getAttribute(AuthenticationInterceptor.USER_KEY);
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if (null == userId)
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{
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userId = 0l;
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}
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return userId;
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}
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}
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