first commit

src/main/java/lingtao/net/service/UpdateLogService.java

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+package lingtao.net.service;
+
+import java.util.List;
+
+import javax.servlet.http.HttpSession;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import lingtao.net.bean.Msg;
+import lingtao.net.bean.SysUser;
+import lingtao.net.bean.UpdateLog;
+import lingtao.net.dao.UpdateLogMapper;
+
+@Service
+public class UpdateLogService {
+
+	@Autowired
+	private UpdateLogMapper updateLogMapper;
+
+	public List<UpdateLog> getUpdateLogs(UpdateLog updateLog) {
+
+		return updateLogMapper.getUpdateLogs(updateLog);
+	}
+
+	public Msg addLog(UpdateLog updateLog, HttpSession session) {
+		SysUser user = (SysUser) session.getAttribute("USER_SESSION");
+		updateLog.setCreateBy(user.getRealname());
+		try {
+			updateLogMapper.addLog(updateLog);
+			return Msg.success();
+		} catch (Exception e) {
+			return Msg.fail();
+		}
+	}
+
+	public Msg updateLogById(UpdateLog updateLog, HttpSession session) {
+		try {
+			updateLogMapper.updateLogById(updateLog);
+			return Msg.success();
+		} catch (Exception e) {
+			return Msg.fail();
+		}
+	}
+
+	public Msg deleteLogById(Integer id) {
+		try {
+			updateLogMapper.deleteLogById(id);
+			return Msg.success();
+		} catch (Exception e) {
+			return Msg.fail();
+		}
+	}
+
+	public Msg changeReadLogStatus() {
+		try {
+			updateLogMapper.changeReadLogStatus();
+			return Msg.success();
+		} catch (Exception e) {
+			return Msg.fail();
+		}
+	}
+
+}