ssm医药进出口交易系统源码和论文

ssm医药进出口交易系统源码和论文726

首先,论文一开始便是清楚的论述了系统的研究内容。其次,剖析系统需求分析,弄明白“做什么”,分析包括业务分析和业务流程的分析以及用例分析,更进一步明确系统的需求。然后在明白了系统的需求基础上需要进一步地设计系统,主要包罗软件架构模式、整体功能模块、数据库设计。本项目软件架构选择B/S模式,总体功能模块运用自顶向下的分层思想。再然后就是实现系统并进行代码编写实现功能。论文的最后章节总结一下自己完成本论文和开发本项目的心得和总结。通过医药进出口交易系统将会使医药进出口交易各个方面的工作效率带来实质性的提升。

关键字：B/S模式 医药进出口交易 软件架构

演示视频：ssm医药进出口交易系统源码和论文_哔哩哔哩_bilibili

Abstract

First of all, the thesis clearly discusses the systematic research content at the very beginning. Secondly, the analysis of system requirements analysis, understand "what to do", including business analysis and business process analysis and use case analysis, further clear system requirements. Then, on the basis of understanding the requirements of the system, we need to further design the system, mainly including software architecture pattern, overall functional modules and database design. The software architecture of the project is B/S mode, and the overall functional modules are layered from top to bottom. Then is the realization of the system and code writing to achieve the function. The last chapter of the paper summarizes the experience and summary of the completion of this paper and the development of this project. Through the medical import and export trading system will make the medical import and export trading in all aspects of work efficiency to bring substantial improvement.

 

Key words: B/S mode pharmaceutical import and export transaction software architecture

 

package com.controller;import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;import com.utils.ValidatorUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.annotation.DateTimeFormat;
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.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.annotation.IgnoreAuth;import com.entity.KehuEntity;
import com.entity.view.KehuView;import com.service.KehuService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;/*** 客户* 后端接口* @author * @email * @date 2022-03-03 21:32:45*/
@RestController
@RequestMapping("/kehu")
public class KehuController {@Autowiredprivate KehuService kehuService;@Autowiredprivate TokenService tokenService;/*** 登录*/@IgnoreAuth@RequestMapping(value = "/login")public R login(String username, String password, String captcha, HttpServletRequest request) {KehuEntity user = kehuService.selectOne(new EntityWrapper<KehuEntity>().eq("kehumingcheng", username));if(user==null || !user.getMima().equals(password)) {return R.error("账号或密码不正确");}String token = tokenService.generateToken(user.getId(), username,"kehu",  "客户" );return R.ok().put("token", token);}/*** 注册*/@IgnoreAuth@RequestMapping("/register")public R register(@RequestBody KehuEntity kehu){//ValidatorUtils.validateEntity(kehu);KehuEntity user = kehuService.selectOne(new EntityWrapper<KehuEntity>().eq("kehumingcheng", kehu.getKehumingcheng()));if(user!=null) {return R.error("注册用户已存在");}Long uId = new Date().getTime();kehu.setId(uId);kehuService.insert(kehu);return R.ok();}/*** 退出*/@RequestMapping("/logout")public R logout(HttpServletRequest request) {request.getSession().invalidate();return R.ok("退出成功");}/*** 获取用户的session用户信息*/@RequestMapping("/session")public R getCurrUser(HttpServletRequest request){Long id = (Long)request.getSession().getAttribute("userId");KehuEntity user = kehuService.selectById(id);return R.ok().put("data", user);}/*** 密码重置*/@IgnoreAuth@RequestMapping(value = "/resetPass")public R resetPass(String username, HttpServletRequest request){KehuEntity user = kehuService.selectOne(new EntityWrapper<KehuEntity>().eq("kehumingcheng", username));if(user==null) {return R.error("账号不存在");}user.setMima("123456");kehuService.updateById(user);return R.ok("密码已重置为：123456");}/*** 后端列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params,KehuEntity kehu, HttpServletRequest request){EntityWrapper<KehuEntity> ew = new EntityWrapper<KehuEntity>();PageUtils page = kehuService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, kehu), params), params));return R.ok().put("data", page);}/*** 前端列表*/@IgnoreAuth@RequestMapping("/list")public R list(@RequestParam Map<String, Object> params,KehuEntity kehu, HttpServletRequest request){EntityWrapper<KehuEntity> ew = new EntityWrapper<KehuEntity>();PageUtils page = kehuService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, kehu), params), params));return R.ok().put("data", page);}/*** 列表*/@RequestMapping("/lists")public R list( KehuEntity kehu){EntityWrapper<KehuEntity> ew = new EntityWrapper<KehuEntity>();ew.allEq(MPUtil.allEQMapPre( kehu, "kehu")); return R.ok().put("data", kehuService.selectListView(ew));}/*** 查询*/@RequestMapping("/query")public R query(KehuEntity kehu){EntityWrapper< KehuEntity> ew = new EntityWrapper< KehuEntity>();ew.allEq(MPUtil.allEQMapPre( kehu, "kehu")); KehuView kehuView =  kehuService.selectView(ew);return R.ok("查询客户成功").put("data", kehuView);}/*** 后端详情*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") Long id){KehuEntity kehu = kehuService.selectById(id);return R.ok().put("data", kehu);}/*** 前端详情*/@IgnoreAuth@RequestMapping("/detail/{id}")public R detail(@PathVariable("id") Long id){KehuEntity kehu = kehuService.selectById(id);return R.ok().put("data", kehu);}/*** 后端保存*/@RequestMapping("/save")public R save(@RequestBody KehuEntity kehu, HttpServletRequest request){kehu.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(kehu);KehuEntity user = kehuService.selectOne(new EntityWrapper<KehuEntity>().eq("kehumingcheng", kehu.getKehumingcheng()));if(user!=null) {return R.error("用户已存在");}kehu.setId(new Date().getTime());kehuService.insert(kehu);return R.ok();}/*** 前端保存*/@RequestMapping("/add")public R add(@RequestBody KehuEntity kehu, HttpServletRequest request){kehu.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(kehu);KehuEntity user = kehuService.selectOne(new EntityWrapper<KehuEntity>().eq("kehumingcheng", kehu.getKehumingcheng()));if(user!=null) {return R.error("用户已存在");}kehu.setId(new Date().getTime());kehuService.insert(kehu);return R.ok();}/*** 修改*/@RequestMapping("/update")public R update(@RequestBody KehuEntity kehu, HttpServletRequest request){//ValidatorUtils.validateEntity(kehu);kehuService.updateById(kehu);//全部更新return R.ok();}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Long[] ids){kehuService.deleteBatchIds(Arrays.asList(ids));return R.ok();}/*** 提醒接口*/@RequestMapping("/remind/{columnName}/{type}")public R remindCount(@PathVariable("columnName") String columnName, HttpServletRequest request, @PathVariable("type") String type,@RequestParam Map<String, Object> map) {map.put("column", columnName);map.put("type", type);if(type.equals("2")) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Calendar c = Calendar.getInstance();Date remindStartDate = null;Date remindEndDate = null;if(map.get("remindstart")!=null) {Integer remindStart = Integer.parseInt(map.get("remindstart").toString());c.setTime(new Date()); c.add(Calendar.DAY_OF_MONTH,remindStart);remindStartDate = c.getTime();map.put("remindstart", sdf.format(remindStartDate));}if(map.get("remindend")!=null) {Integer remindEnd = Integer.parseInt(map.get("remindend").toString());c.setTime(new Date());c.add(Calendar.DAY_OF_MONTH,remindEnd);remindEndDate = c.getTime();map.put("remindend", sdf.format(remindEndDate));}}Wrapper<KehuEntity> wrapper = new EntityWrapper<KehuEntity>();if(map.get("remindstart")!=null) {wrapper.ge(columnName, map.get("remindstart"));}if(map.get("remindend")!=null) {wrapper.le(columnName, map.get("remindend"));}int count = kehuService.selectCount(wrapper);return R.ok().put("count", count);}/*** （按值统计）*/@RequestMapping("/value/{xColumnName}/{yColumnName}")public R value(@PathVariable("yColumnName") String yColumnName, @PathVariable("xColumnName") String xColumnName,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("yColumn", yColumnName);EntityWrapper<KehuEntity> ew = new EntityWrapper<KehuEntity>();List<Map<String, Object>> result = kehuService.selectValue(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** （按值统计）时间统计类型*/@RequestMapping("/value/{xColumnName}/{yColumnName}/{timeStatType}")public R valueDay(@PathVariable("yColumnName") String yColumnName, @PathVariable("xColumnName") String xColumnName, @PathVariable("timeStatType") String timeStatType,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("yColumn", yColumnName);params.put("timeStatType", timeStatType);EntityWrapper<KehuEntity> ew = new EntityWrapper<KehuEntity>();List<Map<String, Object>> result = kehuService.selectTimeStatValue(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** 分组统计*/@RequestMapping("/group/{columnName}")public R group(@PathVariable("columnName") String columnName,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("column", columnName);EntityWrapper<KehuEntity> ew = new EntityWrapper<KehuEntity>();List<Map<String, Object>> result = kehuService.selectGroup(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}
}

package com.controller;import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;import com.utils.ValidatorUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.annotation.DateTimeFormat;
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.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.annotation.IgnoreAuth;import com.entity.YewubumenEntity;
import com.entity.view.YewubumenView;import com.service.YewubumenService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;/*** 业务部门* 后端接口* @author * @email * @date 2022-03-03 21:32:45*/
@RestController
@RequestMapping("/yewubumen")
public class YewubumenController {@Autowiredprivate YewubumenService yewubumenService;@Autowiredprivate TokenService tokenService;/*** 登录*/@IgnoreAuth@RequestMapping(value = "/login")public R login(String username, String password, String captcha, HttpServletRequest request) {YewubumenEntity user = yewubumenService.selectOne(new EntityWrapper<YewubumenEntity>().eq("yuangonggonghao", username));if(user==null || !user.getMima().equals(password)) {return R.error("账号或密码不正确");}String token = tokenService.generateToken(user.getId(), username,"yewubumen",  "业务部门" );return R.ok().put("token", token);}/*** 注册*/@IgnoreAuth@RequestMapping("/register")public R register(@RequestBody YewubumenEntity yewubumen){//ValidatorUtils.validateEntity(yewubumen);YewubumenEntity user = yewubumenService.selectOne(new EntityWrapper<YewubumenEntity>().eq("yuangonggonghao", yewubumen.getYuangonggonghao()));if(user!=null) {return R.error("注册用户已存在");}Long uId = new Date().getTime();yewubumen.setId(uId);yewubumenService.insert(yewubumen);return R.ok();}/*** 退出*/@RequestMapping("/logout")public R logout(HttpServletRequest request) {request.getSession().invalidate();return R.ok("退出成功");}/*** 获取用户的session用户信息*/@RequestMapping("/session")public R getCurrUser(HttpServletRequest request){Long id = (Long)request.getSession().getAttribute("userId");YewubumenEntity user = yewubumenService.selectById(id);return R.ok().put("data", user);}/*** 密码重置*/@IgnoreAuth@RequestMapping(value = "/resetPass")public R resetPass(String username, HttpServletRequest request){YewubumenEntity user = yewubumenService.selectOne(new EntityWrapper<YewubumenEntity>().eq("yuangonggonghao", username));if(user==null) {return R.error("账号不存在");}user.setMima("123456");yewubumenService.updateById(user);return R.ok("密码已重置为：123456");}/*** 后端列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params,YewubumenEntity yewubumen, HttpServletRequest request){EntityWrapper<YewubumenEntity> ew = new EntityWrapper<YewubumenEntity>();PageUtils page = yewubumenService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, yewubumen), params), params));return R.ok().put("data", page);}/*** 前端列表*/@IgnoreAuth@RequestMapping("/list")public R list(@RequestParam Map<String, Object> params,YewubumenEntity yewubumen, HttpServletRequest request){EntityWrapper<YewubumenEntity> ew = new EntityWrapper<YewubumenEntity>();PageUtils page = yewubumenService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, yewubumen), params), params));return R.ok().put("data", page);}/*** 列表*/@RequestMapping("/lists")public R list( YewubumenEntity yewubumen){EntityWrapper<YewubumenEntity> ew = new EntityWrapper<YewubumenEntity>();ew.allEq(MPUtil.allEQMapPre( yewubumen, "yewubumen")); return R.ok().put("data", yewubumenService.selectListView(ew));}/*** 查询*/@RequestMapping("/query")public R query(YewubumenEntity yewubumen){EntityWrapper< YewubumenEntity> ew = new EntityWrapper< YewubumenEntity>();ew.allEq(MPUtil.allEQMapPre( yewubumen, "yewubumen")); YewubumenView yewubumenView =  yewubumenService.selectView(ew);return R.ok("查询业务部门成功").put("data", yewubumenView);}/*** 后端详情*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") Long id){YewubumenEntity yewubumen = yewubumenService.selectById(id);return R.ok().put("data", yewubumen);}/*** 前端详情*/@IgnoreAuth@RequestMapping("/detail/{id}")public R detail(@PathVariable("id") Long id){YewubumenEntity yewubumen = yewubumenService.selectById(id);return R.ok().put("data", yewubumen);}/*** 后端保存*/@RequestMapping("/save")public R save(@RequestBody YewubumenEntity yewubumen, HttpServletRequest request){yewubumen.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(yewubumen);YewubumenEntity user = yewubumenService.selectOne(new EntityWrapper<YewubumenEntity>().eq("yuangonggonghao", yewubumen.getYuangonggonghao()));if(user!=null) {return R.error("用户已存在");}yewubumen.setId(new Date().getTime());yewubumenService.insert(yewubumen);return R.ok();}/*** 前端保存*/@RequestMapping("/add")public R add(@RequestBody YewubumenEntity yewubumen, HttpServletRequest request){yewubumen.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(yewubumen);YewubumenEntity user = yewubumenService.selectOne(new EntityWrapper<YewubumenEntity>().eq("yuangonggonghao", yewubumen.getYuangonggonghao()));if(user!=null) {return R.error("用户已存在");}yewubumen.setId(new Date().getTime());yewubumenService.insert(yewubumen);return R.ok();}/*** 修改*/@RequestMapping("/update")public R update(@RequestBody YewubumenEntity yewubumen, HttpServletRequest request){//ValidatorUtils.validateEntity(yewubumen);yewubumenService.updateById(yewubumen);//全部更新return R.ok();}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Long[] ids){yewubumenService.deleteBatchIds(Arrays.asList(ids));return R.ok();}/*** 提醒接口*/@RequestMapping("/remind/{columnName}/{type}")public R remindCount(@PathVariable("columnName") String columnName, HttpServletRequest request, @PathVariable("type") String type,@RequestParam Map<String, Object> map) {map.put("column", columnName);map.put("type", type);if(type.equals("2")) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Calendar c = Calendar.getInstance();Date remindStartDate = null;Date remindEndDate = null;if(map.get("remindstart")!=null) {Integer remindStart = Integer.parseInt(map.get("remindstart").toString());c.setTime(new Date()); c.add(Calendar.DAY_OF_MONTH,remindStart);remindStartDate = c.getTime();map.put("remindstart", sdf.format(remindStartDate));}if(map.get("remindend")!=null) {Integer remindEnd = Integer.parseInt(map.get("remindend").toString());c.setTime(new Date());c.add(Calendar.DAY_OF_MONTH,remindEnd);remindEndDate = c.getTime();map.put("remindend", sdf.format(remindEndDate));}}Wrapper<YewubumenEntity> wrapper = new EntityWrapper<YewubumenEntity>();if(map.get("remindstart")!=null) {wrapper.ge(columnName, map.get("remindstart"));}if(map.get("remindend")!=null) {wrapper.le(columnName, map.get("remindend"));}int count = yewubumenService.selectCount(wrapper);return R.ok().put("count", count);}}

本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如若转载，请注明出处：http://www.mzph.cn/news/194986.shtml

如若内容造成侵权/违法违规/事实不符，请联系多彩编程网进行投诉反馈email:809451989@qq.com，一经查实，立即删除！

相关文章

电源自动切换初识

电源自动切换初识

【前提&#xff1a;这里以一般的单片机产品为例&#xff0c;使用3.3V的供电系统&#xff0c;常见的USB供电、外接电源设配器供电和电池供电】 一、经典二极管切换电路 这是最简单的电源切换电路&#xff1a;二极管并联&#xff0c;理论上支持无数个电源切换&#xff0c;缺点是…
阅读更多...
C++基础 -36- 模板之模板函数

C++基础 -36- 模板之模板函数

模板函数格式 template <class T> void allexchange(T a,T b) {T c;c*a;*a*b;*bc; }模板函数可以增强函数的通用性 举例说明&#xff0c;使用一个模板函数实现了两个的函数的功能 #include "iostream"using namespace std;void myexchangeint(int* a,int* …
阅读更多...
linux作业管理_jobs

linux作业管理_jobs

4.2 作业管理 是指控制当前正在运行的进程的行为&#xff0c;也称为进程控制。 是shell的一个特性&#xff0c;使用户能在多个独立进程间进行切换。 例如&#xff0c;用户可以挂起一个正在运行的进程&#xff0c;稍后再恢复其运行。当用户使用vim编辑一个文本文件&#xff0c…
阅读更多...
java TrueLicense实现 实现License授权许可和验证

java TrueLicense实现 实现License授权许可和验证

文章目录 简述License 生成License 客户端部署 简述 可用于项目交付项目部署到甲方以及包括代码防止泄露&#xff0c;经常会出现公司内部代码被已离职人员在下家公司使用&#xff0c;底层代码的封装增加license部分&#xff0c;杜绝这块的问题。定期更换license文件可进行续期…
阅读更多...
python scipy.spatial.distance.pdist学习详记——(待完善)

python scipy.spatial.distance.pdist学习详记——(待完善)

1.Python scipy.spatial.distance.pdist用法及代码示例
阅读更多...
分享81个节日PPT，总有一款适合您

分享81个节日PPT，总有一款适合您

分享81个节日PPT&#xff0c;总有一款适合您 81个节日PPT下载链接&#xff1a;https://pan.baidu.com/s/1V0feg5pZ8C1Szycy40CrUw?pwd6666 提取码&#xff1a;6666 Python采集代码下载链接&#xff1a;采集代码.zip - 蓝奏云 学习知识费力气&#xff0c;收集整理更不易…
阅读更多...
二分类问题中评估模型的示例及释义：召准率、召回率等

二分类问题中评估模型的示例及释义：召准率、召回率等

1、评估参数定义 1.1、召准率&#xff08;Precision&#xff09; 召准率是衡量模型预测正类标签时的准确度的指标。它计算的是模型预测的正类中真正为正类的比例。换句话说&#xff0c;召准率表示在所有预测为正类的实例中&#xff0c;正确识别为正类的实例所占的比例。 其中…
阅读更多...
SQLserver通过字符串中间截取然后分组

SQLserver通过字符串中间截取然后分组

当我们存的数据是json的时候可以全部取出在模糊查询但是有多个重复数据的时候就没办法准确的模糊出来这个时候我们就需要用的字符串截取 --创建函数create FUNCTION [dbo].[Fmax] (str varchar(50),start VARCHAR(50),length VARCHAR(50)) RETURNS varchar(max) AS BEGINDEC…
阅读更多...
Spring MVC学习随笔-文件下载和上传（配置文件上传解析器multipartResolver）

Spring MVC学习随笔-文件下载和上传（配置文件上传解析器multipartResolver）

学习视频&#xff1a;孙哥说SpringMVC&#xff1a;结合Thymeleaf&#xff0c;重塑你的MVC世界&#xff01;&#xff5c;前所未有的Web开发探索之旅 学习视频&#xff1a;【编程不良人】继spring之后快速入门springmvc,面对SpringMVC不用慌 六、SpringMVC 文件上传下载 6.1 文件…
阅读更多...
【最通用版FPGA 实现 SPI 驱动】

【最通用版FPGA 实现 SPI 驱动】

最近研究了一下SPI协议的FPGA实现&#xff0c;发现网上很多大佬分享的方法都是针对某一特定的flash芯片或者某一传感器芯片来设计电路结构的。所以想根据SPI&#xff08;Serial Peripheral Interface&#xff09;的基本通讯协议实现一个通用版的SPI Master驱动。SPI在嵌入式领域…
阅读更多...
同源策略与跨域

同源策略与跨域

作者简介&#xff1a;大家好&#xff0c;我是smart哥&#xff0c;前中兴通讯、美团架构师&#xff0c;现某互联网公司CTO 联系qq&#xff1a;184480602&#xff0c;加我进群&#xff0c;大家一起学习&#xff0c;一起进步&#xff0c;一起对抗互联网寒冬 不论个人练习还是实际开…
阅读更多...
HR看好的字符函数和字符串处理函数！！！

HR看好的字符函数和字符串处理函数！！！

本篇会加入个人的所谓‘鱼式疯言’❤️❤️❤️鱼式疯言:❤️❤️❤️此疯言非彼疯言,而是理解过并总结出来通俗易懂的大白话,我会尽可能的在每个概念后插入鱼式疯言,帮助大家理解的&#xff0c;可能说的不是那么严谨.但小编初心是能让更多人能接受我们这个概念 前言 在本篇…
阅读更多...
mybatis整合（手动添加jar包方式）

mybatis整合（手动添加jar包方式）

操作步骤 创建数据库 建立user表 放入数据 1、创建javaweb工程并添加Jar包 用到的jar包 junit 用于测试 mybatis框架&#xff1a;mybatis-3.5.9.jar mysql数据库&#xff1a;mysql-connector-java-8.0.28.jar 2、添加MyBatis核心配置文件 <?xml version"1.0"…
阅读更多...
Leetcode刷题详解——乘积为正数的最长子数组长度

Leetcode刷题详解——乘积为正数的最长子数组长度

1. 题目链接&#xff1a;1567. 乘积为正数的最长子数组长度 2. 题目描述&#xff1a; 给你一个整数数组 nums &#xff0c;请你求出乘积为正数的最长子数组的长度。 一个数组的子数组是由原数组中零个或者更多个连续数字组成的数组。 请你返回乘积为正数的最长子数组长度。 示…
阅读更多...
什么是结构化数据？哪些OCR软件可将图片文字转为结构化数据？

什么是结构化数据？哪些OCR软件可将图片文字转为结构化数据？

结构化数据是指按照一定的数据模型组织和存储的数据&#xff0c;具有明确的数据类型和数据关系&#xff0c;并且可通过计算机程序进行处理和分析。这种数据通常存储在定义明确的模式中&#xff0c;例如数据库&#xff0c;采用表格的形式存储&#xff0c;每个数据项都有特定的字…
阅读更多...
Mover Creator 用户界面

Mover Creator 用户界面

1 “开始”对话框 首次打开 Mover Creator 时&#xff0c;出现的第一个页面是“开始”对话框&#xff0c;如下所示。从这里开始&#xff0c;用户可以选择开始设计飞机、武器或发动机。在上述每种情况下&#xff0c;用户都可以创建新模型或编辑现有模型。 1.1 新建模型 如果用…
阅读更多...
Apache Doris 详细教程（二）

Apache Doris 详细教程（二）

5、doris的查询语法 5.1、doris查询语法整体结构 SELECT [ALL | DISTINCT | DISTINCTROW ] -- 对查询字段的结果是否需要去重&#xff0c;还是全部保留等参数 select_expr [, select_expr ...] -- select的查询字段 [FROM table_references [PARTITION…
阅读更多...
94基于matlab的蚁群算法 (ACO) 对付的图像边缘检测问题

94基于matlab的蚁群算法 (ACO) 对付的图像边缘检测问题

基于matlab的蚁群算法 (ACO) 对付的图像边缘检测问题。提出基于蚁群算法的边缘检测方法是能够建立一个信息素矩阵表示提出了一种在图像每个像素位置的边缘信息根据大量的蚂蚁的运动有哪些派去在图像上移动。此外&#xff0c;运动这些蚂蚁是由图像的局部变化驱动强度值。数据可更…
阅读更多...
U1编译概述

U1编译概述

文章目录 基本概念定义一些概念 编译流程词法分析语法分析语义分析、生成中间代码中间代码 代码优化生成目标程序五个阶段中都需要做的两件事符号表管理出错处理 总结 其他概念多层中间表示和遍&#xff08;PASS&#xff09;三端模式课程概述 基本概念 定义 用高级语言编制的…
阅读更多...
【Java 基础】18 I/O流

【Java 基础】18 I/O流

文章目录 1.基本概念2.字节流3.字符流4.标准输入输出5.最佳实践 I/O流&#xff08;Input/Output 流&#xff09;是计算机程序中不可或缺的一部分&#xff0c; 往大了说所有的操作都是IO。Java 提供了强大而灵活的 I/O 框架&#xff0c;支持各种数据的 读取和 写入操作。 1.基…
阅读更多...
推荐文章
最新文章

Copyright @ 2022~2023