条件查询带分页

    @EnableTransactionManagement
    @Configuration
    @MapperScan("com.atguigu.eduservice.mapper")
    public class EduConfig {
    
    /** * 逻辑删除插件
     */
    @Bean
    public ISqlInjector sqlInjector() {
        return new LogicSqlInjector();
    }
    
    /** * 分页插件
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }
    }

     //4 条件查询带分页的方法
    //@RequestBody(required = false) 参数为空
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,@PathVariable long limit,
                                  @RequestBody(required = false)  TeacherQuery teacherQuery) {
        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
    
        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
       // 多条件组合查询
        // mybatis学过 动态sql
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        //判断条件值是否为空，如果不为空拼接条件
        if(!StringUtils.isEmpty(name)) {
            //构建条件
            wrapper.like("name",name);
        }
        if(!StringUtils.isEmpty(level)) {
            wrapper.eq("level",level);
        }
        if(!StringUtils.isEmpty(begin)) {
            wrapper.ge("gmt_create",begin);
        }
        if(!StringUtils.isEmpty(end)) {
            wrapper.le("gmt_create",end);
        }
    
        //排序
        wrapper.orderByDesc("gmt_create");
    
        //调用方法实现条件查询分页
        teacherService.page(pageTeacher,wrapper);
    
        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords(); //数据list集合
        return R.ok().data("total",total).data("rows",records);
    }