逆天版SpringBoot畢業論文知識圖譜及可視化系統軟件開發實錄

最近閒來無事開發了一套知識圖譜系統特地再次跟大家分享軟件開發過程

技術

技術挺簡單的就是按照下面開發的
Java後端：SpringBoot JPA mysql neo4j圖數據庫
前端：echarts vue.js elementUI

功能

寫好以後運行圖

具體實現代碼如下：

package org.qust.controller.admin;

import org.apache.shiro.authz.annotation.RequiresRoles;
import org.qust.common.Result;
import org.qust.common.StatusCode;
import org.qust.entity.BaseInfo;
import org.qust.entity.TechnologyInfo;
import org.qust.entity.TitleType;
import org.qust.entity.neo4j.EchartsData;
import org.qust.entity.neo4j.EchartsLinks;
import org.qust.entity.neo4j.Thesis;
import org.qust.entity.neo4j.Topic;
import org.qust.service.BaseInfoService;
import org.qust.service.TechnologyInfoService;
import org.qust.service.TitleTypeService;
import org.qust.service.neo4j.ThesisService;
import org.qust.service.neo4j.TopicService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Description：知識圖譜維護-Neo4j
 * User：lock
 * Date：2020-04-28
 * Time：00:50
 */
@RestController
@RequestMapping("/kgraph")
public class KGraphController {
    @Autowired
    private BaseInfoService baseInfoService;
    @Autowired
    private ThesisService thesisService;
    @Autowired
    private TitleTypeService titleTypeService;
    @Autowired
    private TopicService topicService;
    @Autowired
    private TechnologyInfoService technologyInfoService;

    // 生成所有的知識圖譜
    @RequiresRoles("user")
    @RequestMapping(method = RequestMethod.GET,value = "/geneAll")
    public Result geneAll(){

        for (BaseInfo baseInfo : baseInfoService.findAll()) {
            thesisService.add(new Thesis(baseInfo.getSno(),baseInfo.getSname(),baseInfo.getTitle()));
        }
        for (TitleType titleType : titleTypeService.findAll()) {
            List<TechnologyInfo> technologyInfoList = technologyInfoService.findByTechnology(titleType.getType());
            Topic topic = new Topic();
            topic.setName(titleType.getType());
            if(technologyInfoList.size()>0){
                List<Thesis> thesesList = new ArrayList<>();
                for (TechnologyInfo technologyInfo : technologyInfoList) {
                    thesesList.add(thesisService.findBySno(technologyInfo.getSno()));
                }
                topic.setTheses(thesesList);
            }
            topicService.add(topic);
        }
        return new Result(true, StatusCode.OK,"已全部加載到Neo4j數據庫！");
    }

    // 查找全部
    @RequiresRoles("user")
    @RequestMapping(method = RequestMethod.GET,value = "/getAll")
    public Result getAll(){
        return new Result(true, StatusCode.OK,"查找成功！",modifyJson(topicService.findAll()));
    }

    // 根據名稱模糊查詢
    @RequiresRoles("user")
    @RequestMapping(method = RequestMethod.GET,value = "/getAll/{name}")
    public Result getByNameLike(@PathVariable String name){
        return new Result(true, StatusCode.OK,"查找成功！",modifyJson(topicService.findByNameLike("*"+name+"*")));
    }

    // 清空知識圖譜
    @RequiresRoles("user")
    @RequestMapping(method = RequestMethod.DELETE,value = "/delete")
    public Result deleteAll(){
        thesisService.deleteAll();
        topicService.deleteAll();
        return new Result(true, StatusCode.OK,"Neo4j 數據已經全部清空！");
    }

    // 修改爲Echarts接受的格式類型
    @RequiresRoles("user")
    public Map<String,Object> modifyJson(Iterable<Topic> topics){
        Map<String,Object> map = new HashMap<>();
        List<EchartsData> data = new ArrayList<>();
        List<EchartsLinks> links = new ArrayList<>();
        List<String> thesisTitle = new ArrayList<>();
        // 處理爲Echarts需要的格式
        for (Topic topic : topics) {
            Map<String,Object> topicDes = new HashMap<>();
            topicDes.put("title",topic.getName());
            data.add(new EchartsData(topic.getName(),topicDes,40,0));
            List<Thesis> theses = topic.getTheses();
            if(theses!=null){
                for (Thesis  t: theses) {
                    if(!thesisTitle.contains(t.getTitle())){
                        thesisTitle.add(t.getTitle());
                        data.add(new EchartsData(t.getTitle(),t,40,1));
                    }
                    links.add(new EchartsLinks(t.getTitle(),topic.getName(),"屬於","屬於"));
                }
            }
        }
        map.put("data",data);
        map.put("links",links);
        return map;
    }
}

具體實現代碼如下：

package org.qust.controller.admin;

import org.apache.shiro.authz.annotation.RequiresRoles;
import org.qust.common.Result;
import org.qust.common.StatusCode;
import org.qust.entity.TitleType;
import org.qust.entity.TypeAndNum;
import org.qust.service.BaseInfoService;
import org.qust.service.TechnologyInfoService;
import org.qust.service.TitleTypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Description：charts數據生成
 * User：lock
 * Date：2020-05-07
 * Time：08:52
 */
@RestController
@RequestMapping("/charts")
public class ChartsController {

    @Autowired
    private TechnologyInfoService technologyInfoService;
    @Autowired
    private TitleTypeService titleTypeService;
    @Autowired
    private BaseInfoService baseInfoService;

    // 得到 dataSetCharts 數據
    @RequiresRoles("user")
    @RequestMapping(value = "/geneDataSetCharts", method = RequestMethod.GET)
    public Result geneDataSetCharts(){
//        ['product', '2012', '2013', '2014', '2015', '2016', '2017'],
//        ['Matcha Latte', 41.1, 30.4, 65.1, 53.3, 83.8, 98.7],
//        ['Milk Tea', 86.5, 92.1, 85.7, 83.1, 73.4, 55.1],
//        ['Cheese Cocoa', 24.1, 67.2, 79.5, 86.4, 65.2, 82.5],
//        ['Walnut Brownie', 55.2, 67.1, 69.2, 72.4, 53.9, 39.1]
        List<String> product = new ArrayList<>();
        List<String> allSemester = technologyInfoService.findAllSemester();
        product.add("product");
        product.addAll(allSemester);
        List<List<String>> res = new ArrayList<>();
        res.add(product);
        for (TitleType titleType : titleTypeService.findAll()) {
            List<String> type = new ArrayList<>();
            type.add(titleType.getType());
            for (String semester : allSemester) {
                int size = technologyInfoService.findByTechnologyAndSemester(titleType.getType(), semester).size();
                type.add(String.valueOf(size));
            }
            res.add(type);
        }
        return new Result(true, StatusCode.OK,"查詢成功！",res);
    }

    // 得到 barCharts 數據
    @RequiresRoles("user")
    @RequestMapping(value = "/getBarChartRace", method = RequestMethod.GET)
    public Result getBarChartRace(){
        Map<String,Object> map1 = new HashMap<>();
        List<String> allSemester = technologyInfoService.findAllSemester();
        List<String> years = new ArrayList<>();
        List<List<String>> jdData = new ArrayList<>();
        List<List<Integer>> data = new ArrayList<>();
        for (String semester : allSemester) {
            years.add(semester);
            List<String> jdData_item = new ArrayList<>();
            List<Integer> data_item = new ArrayList<>();
            for (TypeAndNum typeAndNum : technologyInfoService.findTypeAndNumBySemester(semester)) {
                jdData_item.add(typeAndNum.getType());
                data_item.add(typeAndNum.getNum());
            }
            jdData.add(jdData_item);
            data.add(data_item);
        }
        map1.put("years",years);
        map1.put("jdData",jdData);
        map1.put("data",data);
        return new Result(true, StatusCode.OK,"查詢成功！",map1);
    }

    // 得到 全部類別 數據
    @RequiresRoles("user")
    @RequestMapping(value = "/getAllTypes", method = RequestMethod.GET)
    public Result getAllTypes(){
        return new Result(true, StatusCode.OK,"查詢成功！",titleTypeService.findAll());
    }

    // 得到 getOrderByOrigin 數據
    @RequiresRoles("user")
    @RequestMapping(value = "/getOrderByOrigin", method = RequestMethod.GET)
    public Result getOrderByOrigin(){
        Map<String, Object> resMap = new HashMap<>();
        List<String> title = new ArrayList<>();
        List<Map<String, Object>> data = new ArrayList<>();
        for (TypeAndNum typeAndNum : baseInfoService.orderByOrigin()) {
            title.add(typeAndNum.getType());
            Map<String, Object> map = new HashMap<>();
            map.put("value",typeAndNum.getNum());
            map.put("name",typeAndNum.getType());
            data.add(map);
        }
        resMap.put("title", title);
        resMap.put("data", data);
        return new Result(true, StatusCode.OK,"查詢成功！",resMap);
    }

    // 得到 getOrderByType 數據
    @RequiresRoles("user")
    @RequestMapping(value = "/getOrderByType", method = RequestMethod.GET)
    public Result getOrderByType(){
        Map<String, Object> resMap = new HashMap<>();
        List<String> title = new ArrayList<>();
        List<Map<String, Object>> data = new ArrayList<>();
        for (TypeAndNum typeAndNum : baseInfoService.orderByType()) {
            title.add(typeAndNum.getType());
            Map<String, Object> map = new HashMap<>();
            map.put("value",typeAndNum.getNum());
            map.put("name",typeAndNum.getType());
            data.add(map);
        }
        resMap.put("title", title);
        resMap.put("data", data);
        return new Result(true, StatusCode.OK,"查詢成功！",resMap);
    }


    @RequiresRoles("user")
    @RequestMapping(value = "/getOrderByTeacher", method = RequestMethod.GET)
    public Result getOrderByTeacher(){
        Map<String, Object> resMap = new HashMap<>();
        List<String> title = new ArrayList<>();
        List<Map<String, Object>> data = new ArrayList<>();
        for (TypeAndNum typeAndNum : baseInfoService.orderByTeacher()) {
            title.add(typeAndNum.getType());
            Map<String, Object> map = new HashMap<>();
            map.put("value",typeAndNum.getNum());
            map.put("name",typeAndNum.getType());
            data.add(map);
        }
        resMap.put("title", title);
        resMap.put("data", data);
        return new Result(true, StatusCode.OK,"查詢成功！",resMap);
    }
}

具體實現代碼如下：

package org.qust.controller.admin;

import org.apache.shiro.authz.annotation.RequiresRoles;
import org.qust.common.Result;
import org.qust.common.StatusCode;
import org.qust.entity.BaseInfo;
import org.qust.entity.WordCloud;
import org.qust.service.BaseInfoService;
import org.qust.service.WordCloudService;
import org.qust.service.WordUtilService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Description：詞彙雲維護
 * User：lock
 * Date：2020-04-28
 * Time：00:37
 */
@RestController
@RequestMapping("/wordCloud")
public class WordCloudController {

    @Autowired
    private BaseInfoService baseInfoService;
    @Autowired
    private WordUtilService wordUtilService;
    @Autowired
    private WordCloudService wordCloudService;
    // 獲得標籤雲信息
    @RequiresRoles("user")
    @RequestMapping(value = "/geneWordCloud",method = RequestMethod.GET)
    public Result geneWordCloud(){
        // 先全部刪除
        wordCloudService.deleteAll();
        List<String> words = new ArrayList<>();
        for (BaseInfo baseInfo : baseInfoService.findAll()) {
            words.addAll(wordUtilService.segment(baseInfo.getTitle()));
        }
        List<Map.Entry<String, Integer>> freWords = this.getFreWords(words);
        for(int i=0; i<150; i++){
            Map.Entry<String, Integer> freWord = freWords.get(i);
            WordCloud wordCloud = new WordCloud(freWord.getKey(), freWord.getValue());
            wordCloudService.add(wordCloud);
        }
        return new Result(true, StatusCode.OK,"生成標籤雲信息成功！");
    }
    // 獲得標籤雲信息
    @RequiresRoles("user")
    @RequestMapping(value = "/getWordCloud",method = RequestMethod.GET)
    public Result getWordCloud(){
        List<Map<String,Object>> words = new ArrayList<>();
        for (WordCloud wordCloud : wordCloudService.findAll()) {
            Map<String,Object> map = new HashMap<>();
            map.put("name", wordCloud.getName());
            map.put("value",wordCloud.getValue());
            words.add(map);
        }
        return new Result(true, StatusCode.OK,"獲取標籤雲信息成功！",words);
    }
    // 統計關鍵詞詞頻
    public List<Map.Entry<String, Integer>> getFreWords(List<String> words){
        Map<String, Integer> map = new HashMap<>();
        for (String word : words) {
            if(map.containsKey(word)){
                int num = map.get(word);
                map.put(word, ++num);
            }else{
                map.put(word, 1);
            }
        }
        List<Map.Entry<String,Integer>> list = new ArrayList<Map.Entry<String,Integer>>(map.entrySet());
        list.sort((o1, o2) -> o2.getValue().compareTo(o1.getValue()));
        return list;
    }

}

數據庫表設計

運行視頻

我錄製好了如果大家想學習的話可以跟我交流，畢竟源碼對外免費開放，可以跟大家一起進步，未來可期！

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逆天版SpringBoot畢業論文知識圖譜及可視化系統 軟件開發實錄

技術

功能

寫好以後運行圖

數據庫表設計

運行視頻

逆天版SpringBoot畢業論文知識圖譜及可視化系統軟件開發實錄