通过EasyPOI导入excel数据

前端

html

  <input oninput="uploadStudentList()" style="display: none" id="selectStudentList" type="file" accept="text/csv,application/vnd.ms-excel,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet">

js

function uploadStudentList(){var file = document.getElementById("selectStudentList").files[0];var formData = new FormData();formData.append("studentList",file)$.ajax({type: "POST",contentType: false,processData: false,url: "/admin/student/importStudentList",data: formData,success:function(data){if(data.code == 0){showSuccessMsg('数据导入成功',function(){$("input[type='checkbox']:checked").parents("tr").remove();})}else{showErrorMsg(data.msg);}},error:function (err){showErrorMsg('网络错误');}})
}

后端

Controller

package com.wehbmu.campus_market.controller.admin;import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;import com.wehbmu.campus_market.bean.CodeMsg;
import com.wehbmu.campus_market.bean.PageBean;
import com.wehbmu.campus_market.bean.Result;
import com.wehbmu.campus_market.entity.common.Student;
import com.wehbmu.campus_market.service.common.StudentService;
import org.springframework.web.multipart.MultipartFile;import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;/*** 后台学生管理控制器* @author Hmoumou**/
@RequestMapping("/admin/student")
@Controller
public class StudentController {@Autowiredprivate StudentService studentService;/*** 学生信息导批量导入操作*/@RequestMapping("/importStudentList")@ResponseBodypublic Result<Boolean> importStudentList(@RequestParam(name = "studentList")MultipartFile file) throws Exception {/*使用easypoi获取文件数据*/ImportParams params = new ImportParams();params.setTitleRows(1);params.setHeadRows(1);/*主键设置，如果该单元格无值则被认为无效数据*/params.setKeyIndex(0);/*获取excel表格中数据，并封装为一个结果对象*/List<Student> students = ExcelImportUtil.importExcel(file.getInputStream(), Student.class, params);students.forEach(student ->{this.studentService.save(student);});return Result.success(true);}}

entity

package com.wehbmu.campus_market.entity.common;import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityListeners;
import javax.persistence.Table;import cn.afterturn.easypoi.excel.annotation.Excel;
import cn.afterturn.easypoi.excel.annotation.ExcelIgnore;
import cn.afterturn.easypoi.excel.annotation.ExcelTarget;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;import com.wehbmu.campus_market.annotion.ValidateEntity;/*** 学生实体类* @author Hmoumou**/
@Entity
@Table(name="vesper_studnet")
@EntityListeners(AuditingEntityListener.class)
@ExcelTarget("students")
public class Student extends BaseEntity{public static final int STUDENT_STATUS_ENABLE = 1;//状态可用public static final int STUDENT_STATUS_UNABLE = 0;//状态不可用/****/private static final long serialVersionUID = 1L;@ValidateEntity(required=true,requiredLeng=true,minLength=6,maxLength=18,errorRequiredMsg="学号不能为空!",errorMinLengthMsg="学号长度需大于6!",errorMaxLengthMsg="学号长度不能大于18!")@Column(name="sn",nullable=false,length=18,unique=true)@Excel(name = "学号",width = 20.0)private String sn;//学生学号@ValidateEntity(required=true,requiredLeng=true,minLength=6,maxLength=18,errorRequiredMsg="密码不能为空!",errorMinLengthMsg="密码长度需大于6!",errorMaxLengthMsg="密码长度不能大于18!")@Column(name="password",nullable=false,length=18)@Excel(name = "密码",width = 20.0)private String password;//学生登录密码@ValidateEntity(required=false)@Column(name="head_pic",length=128)@ExcelIgnoreprivate String headPic;//学生头像/*** 学生证*/@ValidateEntity(required=false)@Column(name="stu_idcard",length=128)@ExcelIgnoreprivate String stuIdcard;@ValidateEntity(required=false)@Column(name="nickname",length=32)@Excel(name = "昵称",width = 20.0)private String nickname;//昵称@ValidateEntity(required=true)@Column(name="mobile",length=18)@Excel(name = "联系方式",width = 20.0)private String mobile;//手机号@ValidateEntity(required=false,minLength=5,maxLength=12,errorMinLengthMsg="qq号最小5位",errorMaxLengthMsg="qq号长度不能大于12")@Column(name="qq",length=18)@Excel(name = "QQ",width = 20.0)private String qq;//QQ号@ValidateEntity(required = true)@Column(name = "email",length = 20)@Excel(name = "邮箱",width = 20.0)private String email;  //QQ邮箱@ValidateEntity(required=false)@Column(name="school",length=18)@Excel(name = "学校",width = 20.0)private String school;//所属学校@ValidateEntity(required=false)@Column(name="academy",length=18)@Excel(name = "学院",width = 20.0)private String academy;//所属学院@ValidateEntity(required=false)@Column(name="grade",length=18)@Excel(name = "年级")private String grade;//所属年级@ValidateEntity(required=false)@Column(name="status",length=1)@Excel(name = "状态",replace = {"激活_1","冻结_0"})private int status = STUDENT_STATUS_ENABLE;//学生状态，默认可用@ValidateEntity(required = false)@Column(name = "ipaddress",length = 20)@Excel(name = "登录地IP",width = 15.0)private String ipaddress;@ValidateEntity(required = false)@Column(name = "regionaddress",length = 20)@Excel(name = "地点",width = 15.0)private String regionaddress;public String getIpaddress() {return ipaddress;}public String getRegionaddress() {return regionaddress;}public void setRegionaddress(String regionaddress) {this.regionaddress = regionaddress;}public void setIpaddress(String ipaddress) {this.ipaddress = ipaddress;}public String getSn() {return sn;}public void setSn(String sn) {this.sn = sn;}public String getNickname() {return nickname;}public void setNickname(String nickname) {this.nickname = nickname;}public String getMobile() {return mobile;}public void setMobile(String mobile) {this.mobile = mobile;}public String getQq() {return qq;}public void setQq(String qq) {this.qq = qq;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public String getSchool() {return school;}public void setSchool(String school) {this.school = school;}public String getAcademy() {return academy;}public void setAcademy(String academy) {this.academy = academy;}public String getGrade() {return grade;}public void setGrade(String grade) {this.grade = grade;}public String getHeadPic() {return headPic;}public void setHeadPic(String headPic) {this.headPic = headPic;}public String getStuIdcard() {return stuIdcard;}public void setStuIdcard(String stuIdcard) {this.stuIdcard = stuIdcard;}public int getStatus() {return status;}public void setStatus(int status) {this.status = status;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}@Overridepublic String toString() {return "Student [sn=" + sn + ", password=" + password + ", headPic="+ headPic + ", nickname=" + nickname + ", mobile=" + mobile+ ", qq=" + qq + ", school=" + school + ", academy=" + academy+ ", grade=" + grade + ", status=" + status +",stuIdcard="+stuIdcard+",ipaddress="+ipaddress+",realAddress="+regionaddress+ "]";}
}

实体校验

package com.wehbmu.campus_market.annotion;import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;/*** 实体检验自定义注解类，根据我们自定义的注解去检查实体各个字段是否在规定的值内* @author Hmoumou**/
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface ValidateEntity {public boolean required() default false;//是否检验nullpublic boolean requiredLeng() default false;//是否检验检验长度public boolean requiredMaxValue() default false;//是否检验最大值public boolean requiredMinValue() default false;//是否检验最小值public int maxLength() default -1;//最大长度public int minLength() default -1;//最小长度public long maxValue() default -1;//大值public long minValue() default -1;//最小值public String errorRequiredMsg() default "";//值为null时的错误提示信息public String errorMinLengthMsg() default "";//最小长度不满足时的提示信息public String errorMaxLengthMsg() default "";//最大长度不满足时的提示信息public String errorMinValueMsg() default "";//最小值不满足时的提示信息public String errorMaxValueMsg() default "";//最大值不满足时的提示信息
}

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通过EasyPOI导入excel数据

前端

html

js

后端

Controller

entity

实体校验

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