kitty项目

项目地址

https://gitee.com/liuge1988/kitty

一些收获

1、baseEntity

其他实体继承

2、同样的crud service 也可以写个base 然后继承

public interface CurdService<T> {
   
   int save(T record);

   int delete(T record);

   int delete(List<T> records);
   

   T findById(Long id);
   
   PageResult findPage(PageRequest pageRequest);
}

这里用的是接口，实际上，现在主张去掉inteface ，service直接class

3、Mysql 备份还原

MySQL备份还原工具类

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.louis.kitty.backup.constants.BackupConstants;
import com.louis.kitty.backup.datasource.BackupDataSourceProperties;
import com.louis.kitty.backup.service.MysqlBackupService;
import com.louis.kitty.backup.util.FileUtils;
import com.louis.kitty.backup.util.HttpResult;

/**
 * 系统数据备份还原
 * 采用MYSQL备份还原命令
 * @author Louis
 * @date Sep 20, 2018
 */
@RestController
@RequestMapping("/backup")
public class MySqlBackupController {

    @Autowired
    MysqlBackupService mysqlBackupService;
    @Autowired
    BackupDataSourceProperties properties;

    @GetMapping("/backup")
    public HttpResult backup() {
        String host = properties.getHost();
        String userName = properties.getUserName();
        String password = properties.getPassword();
        String database = properties.getDatabase();
        String backupFodlerName = BackupConstants.DEFAULT_BACKUP_NAME+ "_" + (new SimpleDateFormat(BackupConstants.DATE_FORMAT)).format(new Date());
        String backupFolderPath = BackupConstants.BACKUP_FOLDER + backupFodlerName + File.separator;
        String fileName = BackupConstants.BACKUP_FILE_NAME;
        try {
            mysqlBackupService.backup(host, userName, password, backupFolderPath, fileName, database);
        } catch (Exception e) {
            return HttpResult.error(500, e.getMessage());
        }
        return HttpResult.ok();
    }

    @GetMapping("/restore")
    public HttpResult restore(@RequestParam String name) {
        String host = properties.getHost();
        String userName = properties.getUserName();
        String password = properties.getPassword();
        String database = properties.getDatabase();
        String restoreFilePath = BackupConstants.RESTORE_FOLDER + name;
        try {
            mysqlBackupService.restore(restoreFilePath, host, userName, password, database);
        } catch (Exception e) {
            return HttpResult.error(500, e.getMessage());
        }
        return HttpResult.ok();
    }
    
    @GetMapping("/findRecords")
    public HttpResult findBackupRecords() {
        List<Map<String, Object>> backupRecords = new ArrayList<>();
        File restoreFolderFile = new File(BackupConstants.RESTORE_FOLDER);
        if(restoreFolderFile.exists()) {
            for(File file:restoreFolderFile.listFiles()) {
                Map<String, Object> bean = new HashMap<>();
                bean.put("name", file.getName());
                bean.put("title", file.getName());
                if(BackupConstants.DEFAULT_BACKUP_NAME.equals(file.getName())) {
                    bean.put("title", "系统默认备份");
                }
                backupRecords.add(bean);
            }
        }
        return HttpResult.ok(backupRecords);
    }
    
    @GetMapping("/delete")
    public HttpResult deleteBackupRecord(@RequestParam String name) {
        if(BackupConstants.DEFAULT_BACKUP_NAME.equals(name)) {
            return HttpResult.error("系统默认备份无法删除!");
        }
        String restoreFilePath = BackupConstants.RESTORE_FOLDER + name;
        try {
            FileUtils.deleteFile(new File(restoreFilePath));
        } catch (Exception e) {
            return HttpResult.error(500, e.getMessage());
        }
        return HttpResult.ok();
    }

}

4、springboot 配置druid mybaits 以及sql监控

5、跨域的配置

/**
 * 跨域配置
 * @author Louis
 * @date Oct 29, 2018
 */
@Configuration
public class CorsConfig implements WebMvcConfigurer {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**") // 允许跨域访问的路径
        .allowedOrigins("*")   // 允许跨域访问的源
        .allowedMethods("POST", "GET", "PUT", "OPTIONS", "DELETE") // 允许请求方法
        .maxAge(168000)    // 预检间隔时间
        .allowedHeaders("*")  // 允许头部设置
        .allowCredentials(true);   // 是否发送cookie
    }
}