基于SSM的健康医疗体检管理系统(源码+lw+部署文档+讲解等)

    package com.service.impl;
    
    
    import java.util.Calendar;
    import java.util.Date;
    import java.util.List;
    import java.util.Map;
    
    import org.springframework.stereotype.Service;
    
    import com.baomidou.mybatisplus.mapper.EntityWrapper;
    import com.baomidou.mybatisplus.mapper.Wrapper;
    import com.baomidou.mybatisplus.plugins.Page;
    import com.baomidou.mybatisplus.service.impl.ServiceImpl;
    import com.dao.TokenDao;
    import com.entity.TokenEntity;
    import com.entity.TokenEntity;
    import com.service.TokenService;
    import com.utils.CommonUtil;
    import com.utils.PageUtils;
    import com.utils.Query;
    
    
    /** * token
     */
    @Service("tokenService")
    public class TokenServiceImpl extends ServiceImpl<TokenDao, TokenEntity> implements TokenService {
    
    	@Override
    	public PageUtils queryPage(Map<String, Object> params) {
    		Page<TokenEntity> page = this.selectPage(
                new Query<TokenEntity>(params).getPage(),
                new EntityWrapper<TokenEntity>()
        );
        return new PageUtils(page);
    	}
    
    	@Override
    	public List<TokenEntity> selectListView(Wrapper<TokenEntity> wrapper) {
    		return baseMapper.selectListView(wrapper);
    	}
    
    	@Override
    	public PageUtils queryPage(Map<String, Object> params,
    			Wrapper<TokenEntity> wrapper) {
    		 Page<TokenEntity> page =new Query<TokenEntity>(params).getPage();
    	        page.setRecords(baseMapper.selectListView(page,wrapper));
    	    	PageUtils pageUtil = new PageUtils(page);
    	    	return pageUtil;
    	}
    
    	@Override
    	public String generateToken(Long userid,String username, String tableName, String role) {
    		TokenEntity tokenEntity = this.selectOne(new EntityWrapper<TokenEntity>().eq("userid", userid).eq("role", role));
    		String token = CommonUtil.getRandomString(32);
    		Calendar cal = Calendar.getInstance();   
    	cal.setTime(new Date());   
    	cal.add(Calendar.HOUR_OF_DAY, 1);
    		if(tokenEntity!=null) {
    			tokenEntity.setToken(token);
    			tokenEntity.setExpiratedtime(cal.getTime());
    			this.updateById(tokenEntity);
    		} else {
    			this.insert(new TokenEntity(userid,username, tableName, role, token, cal.getTime()));
    		}
    		return token;
    	}
    
    	@Override
    	public TokenEntity getTokenEntity(String token) {
    		TokenEntity tokenEntity = this.selectOne(new EntityWrapper<TokenEntity>().eq("token", token));
    		if(tokenEntity == null || tokenEntity.getExpiratedtime().getTime()<new Date().getTime()) {
    			return null;
    		}
    		return tokenEntity;
    	}
    }
    
    
    
    java
    
    
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