StudentServiceImpl.java
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package com.jevon.service.impl;
import com.jevon.mapper.StudentMapper;
import com.jevon.model.Student;
import com.jevon.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.List;
/**
* @author chen
* @version 1.0
* @date 2019/10/18 0018 15:16
*/
@Service
public class StudentServiceImpl implements StudentService {
@Autowired
StudentMapper studentMapper;
@Override
public int insertBatch(List<Student> list) {
int i = 0 ;
List<Student> result = new ArrayList<>();
for(Student student :list){
i++ ;
result.add(student);
if(i % 100 == 0){
studentMapper.insertBatch(result);
result = new ArrayList<>();
}
}
studentMapper.insertBatch(result);
return 1 ;
}
@Override
public List<Student> selectBySchoolName(int analyseId , List<String> league , String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
return studentMapper.selectByStudent(student);
}
@Override
public List<Student> selectByClassName(int analyseId, String schoolName, String className) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setClassName(className);
return studentMapper.selectByStudent(student);
}
@Override
public int selectCountByScore(int analyseId, List<String> league , String schoolName, double begin, double end) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setBegin(begin);
student.setEnd(end);
student.setSchoolNames(league);
return studentMapper.selectCountByScore(student);
}
@Override
public int selectCountBySchoolScore(int analyseId, String schoolName, String className, double begin, double end) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setClassName(className);
student.setBegin(begin);
student.setEnd(end);
return studentMapper.selectCountByScore(student); }
@Override
public List<String> selectClassNameBySchool(int analyseId, String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
return studentMapper.selectClassNameBySchool(student);
}
@Override
public List<String> selectSchoolNameByAnalyse(int analyseId) {
return studentMapper.selectSchoolNameByAnalyse(analyseId);
}
@Override
public Double selectMaxScore(int analyseId,List<String> league , String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
return studentMapper.selectMaxScore(student);
}
@Override
public Double selectMinScore(int analyseId, List<String> league ,String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
return studentMapper.selectMinScore(student);
}
@Override
public Double selectAvgScore(int analyseId,List<String> league , String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
return studentMapper.selectAvgScore(student);
}
@Override
public Double selectModeNumber(int analyseId,List<String> league , String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
List<Double> list = studentMapper.selectModeNumber(student);
if(list.size() > 1){
return null ;
}else {
return list.get(0);
}
}
@Override
public Double selectMedian(int analyseId,List<String> league , String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
return studentMapper.selectMedian(student);
}
@Override
public Double selectStdev(int analyseId,List<String> league , String schoolName) {
Student student = new Student();
student.setAnalyseId(analyseId);
student.setSchoolName(schoolName);
student.setSchoolNames(league);
return studentMapper.selectStdev(student);
}
}