基于SpringBoot的校园新闻管理系统 计算机毕业设计选题 Java毕业设计 SpringBoot+Vue 前后端分离 [附源码+安装调试]

package com.controller;import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.UUID;import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;import com.annotation.IgnoreAuth;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.entity.ConfigEntity;
import com.entity.EIException;
import com.service.ConfigService;
import com.utils.R;/*** 上传文件映射表* @author 学长编程**/
@RestController
@RequestMapping("file")
@SuppressWarnings({"unchecked","rawtypes"})
public class FileController{@Autowiredprivate ConfigService configService;/*** 上传文件*/@RequestMapping("/upload")@IgnoreAuthpublic R upload(@RequestParam("file") MultipartFile file,String type) throws Exception {if (file.isEmpty()) {throw new EIException("上传文件不能为空");}String fileExt = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")+1);File path = new File(ResourceUtils.getURL("classpath:static").getPath());if(!path.exists()) {path = new File("");}File upload = new File(path.getAbsolutePath(),"/upload/");if(!upload.exists()) {upload.mkdirs();}String fileName = new Date().getTime()+"."+fileExt;File dest = new File(upload.getAbsolutePath()+"/"+fileName);file.transferTo(dest);if(StringUtils.isNotBlank(type) && type.equals("1")) {ConfigEntity configEntity = configService.selectOne(new EntityWrapper<ConfigEntity>().eq("name", "faceFile"));if(configEntity==null) {configEntity = new ConfigEntity();configEntity.setName("faceFile");configEntity.setValue(fileName);} else {configEntity.setValue(fileName);}configService.insertOrUpdate(configEntity);}return R.ok().put("file", fileName);}/*** 下载文件*/@IgnoreAuth@RequestMapping("/download")public ResponseEntity<byte[]> download(@RequestParam String fileName) {try {File path = new File(ResourceUtils.getURL("classpath:static").getPath());if(!path.exists()) {path = new File("");}File upload = new File(path.getAbsolutePath(),"/upload/");if(!upload.exists()) {upload.mkdirs();}File file = new File(upload.getAbsolutePath()+"/"+fileName);if(file.exists()){HttpHeaders headers = new HttpHeaders();headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);    headers.setContentDispositionFormData("attachment", fileName);    return new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file),headers, HttpStatus.CREATED);}} catch (IOException e) {e.printStackTrace();}return new ResponseEntity<byte[]>(HttpStatus.INTERNAL_SERVER_ERROR);}}

package com.utils;import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;import org.apache.commons.lang3.StringUtils;import cn.hutool.core.bean.BeanUtil;import com.baomidou.mybatisplus.mapper.Wrapper;/*** Mybatis-Plus工具类* @author 学长编程**/
public class MPUtil {public static final char UNDERLINE = '_';//mybatis plus allEQ 表达式转换public static Map allEQMapPre(Object bean,String pre) {Map<String, Object> map =BeanUtil.beanToMap(bean);return camelToUnderlineMap(map,pre);}//mybatis plus allEQ 表达式转换public static Map allEQMap(Object bean) {Map<String, Object> map =BeanUtil.beanToMap(bean);return camelToUnderlineMap(map,"");}public static Wrapper allLikePre(Wrapper wrapper,Object bean,String pre) {Map<String, Object> map =BeanUtil.beanToMap(bean);Map result = camelToUnderlineMap(map,pre);return genLike(wrapper,result);}public static Wrapper allLike(Wrapper wrapper,Object bean) {Map result = BeanUtil.beanToMap(bean, true, true);			 return genLike(wrapper,result);}public static Wrapper genLike( Wrapper wrapper,Map param) {Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();int i=0;while (it.hasNext()) {if(i>0) wrapper.and();Map.Entry<String, Object> entry = it.next();String key = entry.getKey();String value = (String) entry.getValue();wrapper.like(key, value);i++;}return wrapper;}public static Wrapper likeOrEq(Wrapper wrapper,Object bean) {Map result = BeanUtil.beanToMap(bean, true, true);			 return genLikeOrEq(wrapper,result);}public static Wrapper genLikeOrEq( Wrapper wrapper,Map param) {Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();int i=0;while (it.hasNext()) {if(i>0) wrapper.and();Map.Entry<String, Object> entry = it.next();String key = entry.getKey();if(entry.getValue().toString().contains("%")) {wrapper.like(key, entry.getValue().toString().replace("%", ""));} else {wrapper.eq(key, entry.getValue());}i++;}return wrapper;}public static Wrapper allEq(Wrapper wrapper,Object bean) {Map result = BeanUtil.beanToMap(bean, true, true);			 return genEq(wrapper,result);}public static Wrapper genEq( Wrapper wrapper,Map param) {Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();int i=0;while (it.hasNext()) {if(i>0) wrapper.and();Map.Entry<String, Object> entry = it.next();String key = entry.getKey();wrapper.eq(key, entry.getValue());i++;}return wrapper;}public static Wrapper between(Wrapper wrapper,Map<String, Object> params) {for(String key : params.keySet()) {String columnName = "";if(key.endsWith("_start")) {columnName = key.substring(0, key.indexOf("_start"));if(StringUtils.isNotBlank(params.get(key).toString())) {wrapper.ge(columnName, params.get(key));}}if(key.endsWith("_end")) {columnName = key.substring(0, key.indexOf("_end"));if(StringUtils.isNotBlank(params.get(key).toString())) {wrapper.le(columnName, params.get(key));}}}return wrapper;}public static Wrapper sort(Wrapper wrapper,Map<String, Object> params) {String order = "";if(params.get("order") != null && StringUtils.isNotBlank(params.get("order").toString())) {order = params.get("order").toString();}if(params.get("sort") != null && StringUtils.isNotBlank(params.get("sort").toString())) {if(order.equalsIgnoreCase("desc")) {wrapper.orderDesc(Arrays.asList(params.get("sort")));} else {wrapper.orderAsc(Arrays.asList(params.get("sort")));}}return wrapper;}/*** 驼峰格式字符串转换为下划线格式字符串* * @param param* @return*/public static String camelToUnderline(String param) {if (param == null || "".equals(param.trim())) {return "";}int len = param.length();StringBuilder sb = new StringBuilder(len);for (int i = 0; i < len; i++) {char c = param.charAt(i);if (Character.isUpperCase(c)) {sb.append(UNDERLINE);sb.append(Character.toLowerCase(c));} else {sb.append(c);}}return sb.toString();}public static void main(String[] ages) {System.out.println(camelToUnderline("ABCddfANM"));}public static Map camelToUnderlineMap(Map param, String pre) {Map<String, Object> newMap = new HashMap<String, Object>();Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();while (it.hasNext()) {Map.Entry<String, Object> entry = it.next();String key = entry.getKey();String newKey = camelToUnderline(key);if (pre.endsWith(".")) {newMap.put(pre + newKey, entry.getValue());} else if (StringUtils.isEmpty(pre)) {newMap.put(newKey, entry.getValue());} else {newMap.put(pre + "." + newKey, entry.getValue());}}return newMap;}
}

package com.utils;import java.io.Serializable;
import java.util.List;
import java.util.Map;import com.baomidou.mybatisplus.plugins.Page;/*** 分页工具类* @author 学长编程**/
public class PageUtils implements Serializable {private static final long serialVersionUID = 1L;//总记录数private long total;//每页记录数private int pageSize;//总页数private long totalPage;//当前页数private int currPage;//列表数据private List<?> list;/*** 分页* @param list        列表数据* @param totalCount  总记录数* @param pageSize    每页记录数* @param currPage    当前页数*/public PageUtils(List<?> list, int totalCount, int pageSize, int currPage) {this.list = list;this.total = totalCount;this.pageSize = pageSize;this.currPage = currPage;this.totalPage = (int)Math.ceil((double)totalCount/pageSize);}/*** 分页*/public PageUtils(Page<?> page) {this.list = page.getRecords();this.total = page.getTotal();this.pageSize = page.getSize();this.currPage = page.getCurrent();this.totalPage = page.getPages();}/** 空数据的分页*/public PageUtils(Map<String, Object> params) {Page page =new Query(params).getPage();new PageUtils(page);}public int getPageSize() {return pageSize;}public void setPageSize(int pageSize) {this.pageSize = pageSize;}public int getCurrPage() {return currPage;}public void setCurrPage(int currPage) {this.currPage = currPage;}public List<?> getList() {return list;}public void setList(List<?> list) {this.list = list;}public long getTotalPage() {return totalPage;}public void setTotalPage(long totalPage) {this.totalPage = totalPage;}public long getTotal() {return total;}public void setTotal(long total) {this.total = total;}}

package com.interceptor;import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import com.alibaba.fastjson.JSONObject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.http.HttpStatus;import com.annotation.IgnoreAuth;
import com.entity.EIException;
import com.entity.TokenEntity;
import com.service.TokenService;
import com.utils.R;/*** 权限(Token)验证* @author 学长编程**/
@Component
public class AuthorizationInterceptor implements HandlerInterceptor {public static final String LOGIN_TOKEN_KEY = "Token";@Autowiredprivate TokenService tokenService;@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {//支持跨域请求response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");response.setHeader("Access-Control-Max-Age", "3600");response.setHeader("Access-Control-Allow-Credentials", "true");response.setHeader("Access-Control-Allow-Headers", "x-requested-with,request-source,Token, Origin,imgType, Content-Type, cache-control,postman-token,Cookie, Accept,authorization");response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));// 跨域时会首先发送一个OPTIONS请求，这里我们给OPTIONS请求直接返回正常状态if (request.getMethod().equals(RequestMethod.OPTIONS.name())) {response.setStatus(HttpStatus.OK.value());return false;}IgnoreAuth annotation;if (handler instanceof HandlerMethod) {annotation = ((HandlerMethod) handler).getMethodAnnotation(IgnoreAuth.class);} else {return true;}//从header中获取tokenString token = request.getHeader(LOGIN_TOKEN_KEY);/*** 不需要验证权限的方法直接放过*/if(annotation!=null) {return true;}TokenEntity tokenEntity = null;if(StringUtils.isNotBlank(token)) {tokenEntity = tokenService.getTokenEntity(token);}if(tokenEntity != null) {request.getSession().setAttribute("userId", tokenEntity.getUserid());request.getSession().setAttribute("role", tokenEntity.getRole());request.getSession().setAttribute("tableName", tokenEntity.getTablename());request.getSession().setAttribute("username", tokenEntity.getUsername());return true;}PrintWriter writer = null;response.setCharacterEncoding("UTF-8");response.setContentType("application/json; charset=utf-8");try {writer = response.getWriter();writer.print(JSONObject.toJSONString(R.error(401, "请先登录")));} finally {if(writer != null){writer.close();}}return false;}
}