基于springboot广场舞团管理系统源码和论文

2024-02-10 19:52

本文主要是介绍基于springboot广场舞团管理系统源码和论文,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!

随着信息技术和网络技术的飞速发展,人类已进入全新信息化时代,传统管理技术已无法高效,便捷地管理信息。为了迎合时代需求,优化管理效率,各种各样的管理系统应运而生,各行各业相继进入信息管理时代,广场舞团就是信息时代变革中的产物之一。

任何系统都要遵循系统设计的基本流程,本系统也不例外,同样需要经过市场调研,需求分析,概要设计,详细设计,编码,测试这些步骤,基于java语言设计并实现了广场舞团。该系统基于B/S即所谓浏览器/服务器模式,应用java技术,选择MySQL作为后台数据库。系统主要包括系统首页,社团,社团活动,交流中心,公告资讯,个人中心,后台管理等功能模块。

本文首先介绍了广场舞团管理的技术发展背景与发展现状,然后遵循软件常规开发流程,首先针对系统选取适用的语言和开发平台,根据需求分析制定模块并设计数据库结构,再根据系统总体功能模块的设计绘制系统的功能模块图,流程图以及E-R图。然后,设计框架并根据设计的框架编写代码以实现系统的各个功能模块。最后,对初步完成的系统进行测试,主要是功能测试、单元测试和性能测试。测试结果表明,该系统能够实现所需的功能,运行状况尚可并无明显缺点

关键词:广场舞团;java;MySQL数据库

基于springboot广场舞团管理系统源码和论文368

基于springboot广场舞团管理系统源码和论文


Abstract

With the rapid development of information technology and network technology, mankind has entered a new era of information technology, and traditional management technology has been unable to manage information efficiently and conveniently. In order to meet the needs of the times and optimize management efficiency, a variety of management systems came into being, and all walks of life have entered the era of information management, and square dance troupes are one of the products of the change in the information age.

Any system must follow the basic process of system design, this system is no exception, the same need to go through market research, requirements analysis, outline design, detailed design, coding, testing these steps, based on the Java language design and the realization of square dance troupe. The system is based on B/S, the so-called browser/server model, which applies Java technology and selects MySQL as the background database. The system mainly includes functional modules such as system homepage, community, community activities, communication center, announcement information, personal center, background management and so on.

This article first introduces the technical development background and development status of square dance troupe management, and then follows the conventional development process of the software, first selects the applicable language and development platform for the system, formulates the module and designs the database structure according to the requirements analysis, and then draws the functional module diagram, flow chart and E-R diagram of the system according to the design of the overall functional module of the system. Then, design the framework and write code based on the designed framework to implement the various functional modules of the system. Finally, the initially completed system is tested, mainly functional, unit, and performance tests. The test results show that the system can achieve the required functions, and the operating conditions are not obvious.

Keywords: square dance troupe; java; MySQL database

package com.controller;import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.*;import javax.servlet.http.HttpServletRequest;import com.alibaba.fastjson.JSON;
import com.utils.StringUtil;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
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 com.annotation.IgnoreAuth;
import com.baidu.aip.face.AipFace;
import com.baidu.aip.face.MatchRequest;
import com.baidu.aip.util.Base64Util;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.entity.ConfigEntity;
import com.service.CommonService;
import com.service.ConfigService;
import com.utils.BaiduUtil;
import com.utils.FileUtil;
import com.utils.R;/*** 通用接口*/
@RestController
public class CommonController {private static final Logger logger = LoggerFactory.getLogger(CommonController.class);@Autowiredprivate CommonService commonService;/*** Java代码实现MySQL数据库导出** @param mysqlUrl     MySQL安装路径* @param hostIP       MySQL数据库所在服务器地址IP* @param userName     进入数据库所需要的用户名* @param hostPort     数据库端口* @param password     进入数据库所需要的密码* @param savePath     数据库文件保存路径* @param fileName     数据库导出文件文件名* @param databaseName 要导出的数据库名* @return 返回true表示导出成功,否则返回false。*/@IgnoreAuth@RequestMapping("/beifen")public R beifen(String mysqlUrl, String hostIP, String userName, String hostPort, String password, String savePath, String fileName, String databaseName) {File saveFile = new File(savePath);if (!saveFile.exists()) {// 如果目录不存在 saveFile.mkdirs();// 创建文件夹 }if (!savePath.endsWith(File.separator)) {savePath = savePath + File.separator;}PrintWriter printWriter = null;BufferedReader bufferedReader = null;try {Runtime runtime = Runtime.getRuntime();String cmd = mysqlUrl + "mysqldump -h" + hostIP + " -u" + userName + " -P" + hostPort + " -p" + password + " " + databaseName;runtime.exec(cmd);Process process = runtime.exec(cmd);InputStreamReader inputStreamReader = new InputStreamReader(process.getInputStream(), "utf8");bufferedReader = new BufferedReader(inputStreamReader);printWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(savePath + fileName), "utf8"));String line;while ((line = bufferedReader.readLine()) != null) {printWriter.println(line);}printWriter.flush();} catch (Exception e) {e.printStackTrace();return R.error("备份数据出错");} finally {try {if (bufferedReader != null) {bufferedReader.close();}if (printWriter != null) {printWriter.close();}} catch (Exception e) {e.printStackTrace();}}return R.ok();}/*** Java实现MySQL数据库导入** @param mysqlUrl     MySQL安装路径* @param hostIP       MySQL数据库所在服务器地址IP* @param userName     进入数据库所需要的用户名* @param hostPort     数据库端口* @param password     进入数据库所需要的密码* @param savePath     数据库文件保存路径* @param fileName     数据库导出文件文件名* @param databaseName 要导出的数据库名*/@IgnoreAuth@RequestMapping("/huanyuan")public R huanyuan(String mysqlUrl, String hostIP, String userName, String hostPort, String password, String savePath, String fileName, String databaseName) {try {Runtime rt = Runtime.getRuntime();Process child1 = rt.exec(mysqlUrl+"mysql.exe  -h" + hostIP + " -u" + userName + " -P" + hostPort + " -p" + password + " " + databaseName);OutputStream out = child1.getOutputStream();//控制台的输入信息作为输出流String inStr;StringBuffer sb = new StringBuffer("");String outStr;BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(savePath+"/"+fileName), "utf-8"));while ((inStr = br.readLine()) != null) {sb.append(inStr + "\r\n");}outStr = sb.toString();OutputStreamWriter writer = new OutputStreamWriter(out, "utf8");writer.write(outStr);
// 注:这里如果用缓冲方式写入文件的话,会导致中文乱码,用flush()方法则可以避免writer.flush();out.close();br.close();writer.close();} catch (Exception e) {e.printStackTrace();return R.error("数据导入出错");}return R.ok();}/*** 饼状图求和* @return*/@RequestMapping("/pieSum")public R pieSum(@RequestParam Map<String,Object> params) {logger.debug("饼状图求和:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.pieSum(params);return R.ok().put("data", result);}/*** 饼状图统计* @return*/@RequestMapping("/pieCount")public R pieCount(@RequestParam Map<String,Object> params) {logger.debug("饼状图统计:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.pieCount(params);return R.ok().put("data", result);}/*** 柱状图求和单列* @return*/@RequestMapping("/barSumOne")public R barSumOne(@RequestParam Map<String,Object> params) {logger.debug("柱状图求和单列:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.barSumOne(params);List<String> xAxis = new ArrayList<>();//报表x轴List<List<String>> yAxis = new ArrayList<>();//y轴List<String> legend = new ArrayList<>();//标题List<String> yAxis0 = new ArrayList<>();yAxis.add(yAxis0);legend.add("");for(Map<String, Object> map :result){String oneValue = String.valueOf(map.get("name"));String value = String.valueOf(map.get("value"));xAxis.add(oneValue);yAxis0.add(value);}Map<String, Object> resultMap = new HashMap<>();resultMap.put("xAxis",xAxis);resultMap.put("yAxis",yAxis);resultMap.put("legend",legend);return R.ok().put("data", resultMap);}/*** 柱状图统计单列* @return*/@RequestMapping("/barCountOne")public R barCountOne(@RequestParam Map<String,Object> params) {logger.debug("柱状图统计单列:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.barCountOne(params);List<String> xAxis = new ArrayList<>();//报表x轴List<List<String>> yAxis = new ArrayList<>();//y轴List<String> legend = new ArrayList<>();//标题List<String> yAxis0 = new ArrayList<>();yAxis.add(yAxis0);legend.add("");for(Map<String, Object> map :result){String oneValue = String.valueOf(map.get("name"));String value = String.valueOf(map.get("value"));xAxis.add(oneValue);yAxis0.add(value);}Map<String, Object> resultMap = new HashMap<>();resultMap.put("xAxis",xAxis);resultMap.put("yAxis",yAxis);resultMap.put("legend",legend);return R.ok().put("data", resultMap);}/*** 柱状图统计双列* @return*/@RequestMapping("/barSumTwo")public R barSumTwo(@RequestParam Map<String,Object> params) {logger.debug("柱状图统计双列:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.barSumTwo(params);List<String> xAxis = new ArrayList<>();//报表x轴List<List<String>> yAxis = new ArrayList<>();//y轴List<String> legend = new ArrayList<>();//标题Map<String, HashMap<String, String>> dataMap = new LinkedHashMap<>();for(Map<String, Object> map :result){String name1Value = String.valueOf(map.get("name1"));String name2Value = String.valueOf(map.get("name2"));String value = String.valueOf(map.get("value"));if(!legend.contains(name2Value)){legend.add(name2Value);//添加完成后 就是最全的第二列的类型}if(dataMap.containsKey(name1Value)){dataMap.get(name1Value).put(name2Value,value);}else{HashMap<String, String> name1Data = new HashMap<>();name1Data.put(name2Value,value);dataMap.put(name1Value,name1Data);}}for(int i =0; i<legend.size(); i++){yAxis.add(new ArrayList<String>());}Set<String> keys = dataMap.keySet();for(String key:keys){xAxis.add(key);HashMap<String, String> map = dataMap.get(key);for(int i =0; i<legend.size(); i++){List<String> data = yAxis.get(i);if(StringUtil.isNotEmpty(map.get(legend.get(i)))){data.add(map.get(legend.get(i)));}else{data.add("0");}}}System.out.println();Map<String, Object> resultMap = new HashMap<>();resultMap.put("xAxis",xAxis);resultMap.put("yAxis",yAxis);resultMap.put("legend",legend);return R.ok().put("data", resultMap);}/*** 柱状图统计双列* @return*/@RequestMapping("/barCountTwo")public R barCountTwo(@RequestParam Map<String,Object> params) {logger.debug("柱状图统计双列:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.barCountTwo(params);List<String> xAxis = new ArrayList<>();//报表x轴List<List<String>> yAxis = new ArrayList<>();//y轴List<String> legend = new ArrayList<>();//标题Map<String, HashMap<String, String>> dataMap = new LinkedHashMap<>();for(Map<String, Object> map :result){String name1Value = String.valueOf(map.get("name1"));String name2Value = String.valueOf(map.get("name2"));String value = String.valueOf(map.get("value"));if(!legend.contains(name2Value)){legend.add(name2Value);//添加完成后 就是最全的第二列的类型}if(dataMap.containsKey(name1Value)){dataMap.get(name1Value).put(name2Value,value);}else{HashMap<String, String> name1Data = new HashMap<>();name1Data.put(name2Value,value);dataMap.put(name1Value,name1Data);}}for(int i =0; i<legend.size(); i++){yAxis.add(new ArrayList<String>());}Set<String> keys = dataMap.keySet();for(String key:keys){xAxis.add(key);HashMap<String, String> map = dataMap.get(key);for(int i =0; i<legend.size(); i++){List<String> data = yAxis.get(i);if(StringUtil.isNotEmpty(map.get(legend.get(i)))){data.add(map.get(legend.get(i)));}else{data.add("0");}}}System.out.println();Map<String, Object> resultMap = new HashMap<>();resultMap.put("xAxis",xAxis);resultMap.put("yAxis",yAxis);resultMap.put("legend",legend);return R.ok().put("data", resultMap);}/**tableName 查询表condition1 条件1condition1Value 条件1值average 计算平均评分取值有值 Number(res.data.value.toFixed(1))无值 if(res.data){}* */@IgnoreAuth@RequestMapping("/queryScore")public R queryScore(@RequestParam Map<String, Object> params) {logger.debug("queryScore:,,Controller:{},,params:{}",this.getClass().getName(),params);Map<String, Object> queryScore = commonService.queryScore(params);return R.ok().put("data", queryScore);}/*** 查询字典表的分组统计总条数*  tableName  		表名*	groupColumn  	分组字段* @return*/@RequestMapping("/newSelectGroupCount")public R newSelectGroupCount(@RequestParam Map<String,Object> params) {logger.debug("newSelectGroupCount:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.newSelectGroupCount(params);return R.ok().put("data", result);}/*** 查询字典表的分组求和* tableName  		表名* groupColumn  		分组字段* sumCloum			统计字段* @return*/@RequestMapping("/newSelectGroupSum")public R newSelectGroupSum(@RequestParam Map<String,Object> params) {logger.debug("newSelectGroupSum:,,Controller:{},,params:{}",this.getClass().getName(),params);List<Map<String, Object>> result = commonService.newSelectGroupSum(params);return R.ok().put("data", result);}/*** 柱状图求和 老的*/@RequestMapping("/barSum")public R barSum(@RequestParam Map<String,Object> params) {logger.debug("barSum方法:,,Controller:{},,params:{}",this.getClass().getName(), com.alibaba.fastjson.JSONObject.toJSONString(params));Boolean isJoinTableFlag =  false;//是否有级联表相关String one =  "";//第一优先String two =  "";//第二优先//处理thisTable和joinTable 处理内容是把json字符串转为Map并把带有,的切割为数组//当前表Map<String,Object> thisTable = JSON.parseObject(String.valueOf(params.get("thisTable")),Map.class);params.put("thisTable",thisTable);//级联表String joinTableString = String.valueOf(params.get("joinTable"));if(StringUtil.isNotEmpty(joinTableString)) {Map<String, Object> joinTable = JSON.parseObject(joinTableString, Map.class);params.put("joinTable", joinTable);isJoinTableFlag = true;}if(StringUtil.isNotEmpty(String.valueOf(thisTable.get("date")))){//当前表日期thisTable.put("date",String.valueOf(thisTable.get("date")).split(","));one = "thisDate0";}if(isJoinTableFlag){//级联表日期Map<String, Object> joinTable = (Map<String, Object>) params.get("joinTable");if(StringUtil.isNotEmpty(String.valueOf(joinTable.get("date")))){joinTable.put("date",String.valueOf(joinTable.get("date")).split(","));if(StringUtil.isEmpty(one)){one ="joinDate0";}else{if(StringUtil.isEmpty(two)){two ="joinDate0";}}}}if(StringUtil.isNotEmpty(String.valueOf(thisTable.get("string")))){//当前表字符串thisTable.put("string",String.valueOf(thisTable.get("string")).split(","));if(StringUtil.isEmpty(one)){one ="thisString0";}else{if(StringUtil.isEmpty(two)){two ="thisString0";}}}if(isJoinTableFlag){//级联表字符串Map<String, Object> joinTable = (Map<String, Object>) params.get("joinTable");if(StringUtil.isNotEmpty(String.valueOf(joinTable.get("string")))){joinTable.put("string",String.valueOf(joinTable.get("string")).split(","));if(StringUtil.isEmpty(one)){one ="joinString0";}else{if(StringUtil.isEmpty(two)){two ="joinString0";}}}}if(StringUtil.isNotEmpty(String.valueOf(thisTable.get("types")))){//当前表类型thisTable.put("types",String.valueOf(thisTable.get("types")).split(","));if(StringUtil.isEmpty(one)){one ="thisTypes0";}else{if(StringUtil.isEmpty(two)){two ="thisTypes0";}}}if(isJoinTableFlag){//级联表类型Map<String, Object> joinTable = (Map<String, Object>) params.get("joinTable");if(StringUtil.isNotEmpty(String.valueOf(joinTable.get("types")))){joinTable.put("types",String.valueOf(joinTable.get("types")).split(","));if(StringUtil.isEmpty(one)){one ="joinTypes0";}else{if(StringUtil.isEmpty(two)){two ="joinTypes0";}}}}List<Map<String, Object>> result = commonService.barSum(params);List<String> xAxis = new ArrayList<>();//报表x轴List<List<String>> yAxis = new ArrayList<>();//y轴List<String> legend = new ArrayList<>();//标题if(StringUtil.isEmpty(two)){//不包含第二列List<String> yAxis0 = new ArrayList<>();yAxis.add(yAxis0);legend.add("");for(Map<String, Object> map :result){String oneValue = String.valueOf(map.get(one));String value = String.valueOf(map.get("value"));xAxis.add(oneValue);yAxis0.add(value);}}else{//包含第二列Map<String, HashMap<String, String>> dataMap = new LinkedHashMap<>();if(StringUtil.isNotEmpty(two)){for(Map<String, Object> map :result){String oneValue = String.valueOf(map.get(one));String twoValue = String.valueOf(map.get(two));String value = String.valueOf(map.get("value"));if(!legend.contains(twoValue)){legend.add(twoValue);//添加完成后 就是最全的第二列的类型}if(dataMap.containsKey(oneValue)){dataMap.get(oneValue).put(twoValue,value);}else{HashMap<String, String> oneData = new HashMap<>();oneData.put(twoValue,value);dataMap.put(oneValue,oneData);}}}for(int i =0; i<legend.size(); i++){yAxis.add(new ArrayList<String>());}Set<String> keys = dataMap.keySet();for(String key:keys){xAxis.add(key);HashMap<String, String> map = dataMap.get(key);for(int i =0; i<legend.size(); i++){List<String> data = yAxis.get(i);if(StringUtil.isNotEmpty(map.get(legend.get(i)))){data.add(map.get(legend.get(i)));}else{data.add("0");}}}System.out.println();}Map<String, Object> resultMap = new HashMap<>();resultMap.put("xAxis",xAxis);resultMap.put("yAxis",yAxis);resultMap.put("legend",legend);return R.ok().put("data", resultMap);}/*** 柱状图统计 老的*/@RequestMapping("/barCount")public R barCount(@RequestParam Map<String,Object> params) {logger.debug("barCount方法:,,Controller:{},,params:{}",this.getClass().getName(), com.alibaba.fastjson.JSONObject.toJSONString(params));Boolean isJoinTableFlag =  false;//是否有级联表相关String one =  "";//第一优先String two =  "";//第二优先//处理thisTable和joinTable 处理内容是把json字符串转为Map并把带有,的切割为数组//当前表Map<String,Object> thisTable = JSON.parseObject(String.valueOf(params.get("thisTable")),Map.class);params.put("thisTable",thisTable);//级联表String joinTableString = String.valueOf(params.get("joinTable"));if(StringUtil.isNotEmpty(joinTableString)) {Map<String, Object> joinTable = JSON.parseObject(joinTableString, Map.class);params.put("joinTable", joinTable);isJoinTableFlag = true;}if(StringUtil.isNotEmpty(String.valueOf(thisTable.get("date")))){//当前表日期thisTable.put("date",String.valueOf(thisTable.get("date")).split(","));one = "thisDate0";}if(isJoinTableFlag){//级联表日期Map<String, Object> joinTable = (Map<String, Object>) params.get("joinTable");if(StringUtil.isNotEmpty(String.valueOf(joinTable.get("date")))){joinTable.put("date",String.valueOf(joinTable.get("date")).split(","));if(StringUtil.isEmpty(one)){one ="joinDate0";}else{if(StringUtil.isEmpty(two)){two ="joinDate0";}}}}if(StringUtil.isNotEmpty(String.valueOf(thisTable.get("string")))){//当前表字符串thisTable.put("string",String.valueOf(thisTable.get("string")).split(","));if(StringUtil.isEmpty(one)){one ="thisString0";}else{if(StringUtil.isEmpty(two)){two ="thisString0";}}}if(isJoinTableFlag){//级联表字符串Map<String, Object> joinTable = (Map<String, Object>) params.get("joinTable");if(StringUtil.isNotEmpty(String.valueOf(joinTable.get("string")))){joinTable.put("string",String.valueOf(joinTable.get("string")).split(","));if(StringUtil.isEmpty(one)){one ="joinString0";}else{if(StringUtil.isEmpty(two)){two ="joinString0";}}}}if(StringUtil.isNotEmpty(String.valueOf(thisTable.get("types")))){//当前表类型thisTable.put("types",String.valueOf(thisTable.get("types")).split(","));if(StringUtil.isEmpty(one)){one ="thisTypes0";}else{if(StringUtil.isEmpty(two)){two ="thisTypes0";}}}if(isJoinTableFlag){//级联表类型Map<String, Object> joinTable = (Map<String, Object>) params.get("joinTable");if(StringUtil.isNotEmpty(String.valueOf(joinTable.get("types")))){joinTable.put("types",String.valueOf(joinTable.get("types")).split(","));if(StringUtil.isEmpty(one)){one ="joinTypes0";}else{if(StringUtil.isEmpty(two)){two ="joinTypes0";}}}}List<Map<String, Object>> result = commonService.barCount(params);List<String> xAxis = new ArrayList<>();//报表x轴List<List<String>> yAxis = new ArrayList<>();//y轴List<String> legend = new ArrayList<>();//标题if(StringUtil.isEmpty(two)){//不包含第二列List<String> yAxis0 = new ArrayList<>();yAxis.add(yAxis0);legend.add("");for(Map<String, Object> map :result){String oneValue = String.valueOf(map.get(one));String value = String.valueOf(map.get("value"));xAxis.add(oneValue);yAxis0.add(value);}}else{//包含第二列Map<String, HashMap<String, String>> dataMap = new LinkedHashMap<>();if(StringUtil.isNotEmpty(two)){for(Map<String, Object> map :result){String oneValue = String.valueOf(map.get(one));String twoValue = String.valueOf(map.get(two));String value = String.valueOf(map.get("value"));if(!legend.contains(twoValue)){legend.add(twoValue);//添加完成后 就是最全的第二列的类型}if(dataMap.containsKey(oneValue)){dataMap.get(oneValue).put(twoValue,value);}else{HashMap<String, String> oneData = new HashMap<>();oneData.put(twoValue,value);dataMap.put(oneValue,oneData);}}}for(int i =0; i<legend.size(); i++){yAxis.add(new ArrayList<String>());}Set<String> keys = dataMap.keySet();for(String key:keys){xAxis.add(key);HashMap<String, String> map = dataMap.get(key);for(int i =0; i<legend.size(); i++){List<String> data = yAxis.get(i);if(StringUtil.isNotEmpty(map.get(legend.get(i)))){data.add(map.get(legend.get(i)));}else{data.add("0");}}}System.out.println();}Map<String, Object> resultMap = new HashMap<>();resultMap.put("xAxis",xAxis);resultMap.put("yAxis",yAxis);resultMap.put("legend",legend);return R.ok().put("data", resultMap);}
}

这篇关于基于springboot广场舞团管理系统源码和论文的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!



http://www.chinasem.cn/article/697932

相关文章

Spring Cloud LoadBalancer 负载均衡详解

《SpringCloudLoadBalancer负载均衡详解》本文介绍了如何在SpringCloud中使用SpringCloudLoadBalancer实现客户端负载均衡,并详细讲解了轮询策略和... 目录1. 在 idea 上运行多个服务2. 问题引入3. 负载均衡4. Spring Cloud Load

Springboot中分析SQL性能的两种方式详解

《Springboot中分析SQL性能的两种方式详解》文章介绍了SQL性能分析的两种方式:MyBatis-Plus性能分析插件和p6spy框架,MyBatis-Plus插件配置简单,适用于开发和测试环... 目录SQL性能分析的两种方式:功能介绍实现方式:实现步骤:SQL性能分析的两种方式:功能介绍记录

在 Spring Boot 中使用 @Autowired和 @Bean注解的示例详解

《在SpringBoot中使用@Autowired和@Bean注解的示例详解》本文通过一个示例演示了如何在SpringBoot中使用@Autowired和@Bean注解进行依赖注入和Bean... 目录在 Spring Boot 中使用 @Autowired 和 @Bean 注解示例背景1. 定义 Stud

如何通过海康威视设备网络SDK进行Java二次开发摄像头车牌识别详解

《如何通过海康威视设备网络SDK进行Java二次开发摄像头车牌识别详解》:本文主要介绍如何通过海康威视设备网络SDK进行Java二次开发摄像头车牌识别的相关资料,描述了如何使用海康威视设备网络SD... 目录前言开发流程问题和解决方案dll库加载不到的问题老旧版本sdk不兼容的问题关键实现流程总结前言作为

SpringBoot中使用 ThreadLocal 进行多线程上下文管理及注意事项小结

《SpringBoot中使用ThreadLocal进行多线程上下文管理及注意事项小结》本文详细介绍了ThreadLocal的原理、使用场景和示例代码,并在SpringBoot中使用ThreadLo... 目录前言技术积累1.什么是 ThreadLocal2. ThreadLocal 的原理2.1 线程隔离2

springboot将lib和jar分离的操作方法

《springboot将lib和jar分离的操作方法》本文介绍了如何通过优化pom.xml配置来减小SpringBoot项目的jar包大小,主要通过使用spring-boot-maven-plugin... 遇到一个问题,就是每次maven package或者maven install后target中的ja

Java中八大包装类举例详解(通俗易懂)

《Java中八大包装类举例详解(通俗易懂)》:本文主要介绍Java中的包装类,包括它们的作用、特点、用途以及如何进行装箱和拆箱,包装类还提供了许多实用方法,如转换、获取基本类型值、比较和类型检测,... 目录一、包装类(Wrapper Class)1、简要介绍2、包装类特点3、包装类用途二、装箱和拆箱1、装

如何利用Java获取当天的开始和结束时间

《如何利用Java获取当天的开始和结束时间》:本文主要介绍如何使用Java8的LocalDate和LocalDateTime类获取指定日期的开始和结束时间,展示了如何通过这些类进行日期和时间的处... 目录前言1. Java日期时间API概述2. 获取当天的开始和结束时间代码解析运行结果3. 总结前言在J

Java深度学习库DJL实现Python的NumPy方式

《Java深度学习库DJL实现Python的NumPy方式》本文介绍了DJL库的背景和基本功能,包括NDArray的创建、数学运算、数据获取和设置等,同时,还展示了如何使用NDArray进行数据预处理... 目录1 NDArray 的背景介绍1.1 架构2 JavaDJL使用2.1 安装DJL2.2 基本操

最长公共子序列问题的深度分析与Java实现方式

《最长公共子序列问题的深度分析与Java实现方式》本文详细介绍了最长公共子序列(LCS)问题,包括其概念、暴力解法、动态规划解法,并提供了Java代码实现,暴力解法虽然简单,但在大数据处理中效率较低,... 目录最长公共子序列问题概述问题理解与示例分析暴力解法思路与示例代码动态规划解法DP 表的构建与意义动