考核作业

2022-Autumn/Backend/xizhe/README.md

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+# 作业介绍
+ 1. Test1 作业包含立扣的两道算法题
+    + 第一题的思路是合并数组后进行排序
+    + 第二题主要是运用栈数据结构
+
+ 2. Test2 作业
+    + 使用springboot + mp + mysql 实现简单查询操作
+    + sql文件放在resources目录下
+
+ 3. 20-软件-李昊  
+

2022-Autumn/Backend/xizhe/Test1/README.md

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+# 作业介绍
+  作业包含立扣的两道算法题
+ + 第一题的思路是合并数组后进行排序
+ + 第二题主要是运用栈数据结构
+ + 20-软件-李昊

2022-Autumn/Backend/xizhe/Test1/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>demo</artifactId>
+        <groupId>com.xizhe</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>Test1</artifactId>
+
+
+</project>

2022-Autumn/Backend/xizhe/Test1/src/main/java/com/xizhe/Solution.java

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+package com.xizhe;
+
+import java.util.*;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 11:13
+ */
+
+public class Solution {
+
+
+    /**
+     * 给你两个按 非递减顺序 排列的整数数组 nums1 和 nums2，另有两个整数 m 和 n ，分别表示 nums1 和 nums2 中的元素数目。
+     *
+     * 请你 合并 nums2 到 nums1 中，使合并后的数组同样按 非递减顺序 排列。
+     */
+    public void merge(int[] nums1, int m, int[] nums2, int n) {
+        if( n == 0) {
+            return;
+        }
+
+//        if( m == 0) {
+//            nums1 = nums2.clone();
+//            return;
+//        }
+
+        int i = m;
+        int j = 0;
+        while(i < m+n) {
+            nums1[i++] = nums2[j++];
+        }
+        Arrays.sort(nums1);
+    }
+
+
+    /**
+     * 给定一个只包括 '('，')'，'{'，'}'，'['，']' 的字符串 s ，判断字符串是否有效。
+     *
+     * 有效字符串需满足：
+     *
+     *     左括号必须用相同类型的右括号闭合。
+     *     左括号必须以正确的顺序闭合。
+     *     每个右括号都有一个对应的相同类型的左括号。
+     */
+
+    public boolean isValid(String s) {
+        if((s.length() % 2) == 1) {
+            return false;
+        }
+        Stack<Character> stack = new Stack<>();
+        for( int i=0;i<s.length(); i++) {
+            char c = s.charAt(i);
+            if('(' == c || '{'==c  || '['== c) {
+                stack.push(c);
+            }else {
+                if(stack.empty()) {
+                    return false;
+                }
+                Character pop = stack.pop();
+                if(pop == '(' && c != ')' || pop == '{' && c != '}' || pop == '[' && c != ']') {
+                    return false;
+                }
+            }
+        }
+        return stack.empty();
+    }
+
+
+}

2022-Autumn/Backend/xizhe/Test1/src/main/java/com/xizhe/Test.java

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+package com.xizhe;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 11:11
+ */
+
+public class Test {
+
+    public static void main(String[] args) {
+        Solution solution = new Solution();
+        int nums1[] = new int[]{0};
+        int nums2[] = new int[]{1};
+        solution.merge(nums1,0,nums2,1);
+
+        solution.isValid("([)]");
+    }
+}

2022-Autumn/Backend/xizhe/Test3/.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

2022-Autumn/Backend/xizhe/Test3/README.md

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+# 作业介绍
++ 使用springboot + mp + mysql 实现简单查询操作
++ sql文件放在resources目录下
++ 20-软件-李昊

2022-Autumn/Backend/xizhe/Test3/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+
+    <parent>
+        <artifactId>demo</artifactId>
+        <groupId>com.xizhe</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>Test3</artifactId>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+
+</project>

2022-Autumn/Backend/xizhe/Test3/src/main/java/com/xizhe/demo/DemoApplication.java

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+package com.xizhe.demo;
+
+import lombok.extern.slf4j.Slf4j;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@Slf4j
+@MapperScan("com.xizhe.demo.mapper")
+public class DemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DemoApplication.class, args);
+        log.info("项目启动成功");
+    }
+
+}

2022-Autumn/Backend/xizhe/Test3/src/main/java/com/xizhe/demo/config/MyBatisConfig.java

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+package com.xizhe.demo.config;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 13:43
+ */
+
+@Configuration
+public class MyBatisConfig {
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        return interceptor;
+    }
+}

2022-Autumn/Backend/xizhe/Test3/src/main/java/com/xizhe/demo/controller/GradeController.java

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+package com.xizhe.demo.controller;
+
+import com.xizhe.demo.dto.Result;
+import com.xizhe.demo.service.GradeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 12:56
+ */
+
+@RestController
+@RequestMapping("/class")
+public class GradeController {
+
+    @Autowired
+    private GradeService gradeService;
+
+    @GetMapping("/queryStudent")
+    public Result queryExistByName(Integer id,String name) {
+        return gradeService.queryExistByName(id,name);
+    }
+
+    @GetMapping("/sumPeople/{id}")
+    public Result sum(@PathVariable Integer id) {
+        return gradeService.sum(id);
+    }
+
+    @GetMapping("/sumSex/{id}")
+    public Result sumSex(@PathVariable Integer id) {
+        return gradeService.sumSex(id);
+    }
+
+    @GetMapping("/sumLastName/{id}")
+    public Result sumLastName(@PathVariable Integer id) {
+        return gradeService.sumLastName(id);
+    }
+
+
+
+}

2022-Autumn/Backend/xizhe/Test3/src/main/java/com/xizhe/demo/controller/StudentController.java

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+package com.xizhe.demo.controller;
+
+
+import com.xizhe.demo.dto.Result;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 12:55
+ */
+
+@RestController
+@RequestMapping("/student")
+public class StudentController {
+
+
+}

2022-Autumn/Backend/xizhe/Test3/src/main/java/com/xizhe/demo/dto/Result.java

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+package com.xizhe.demo.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 12:57
+ */
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Result {
+    private Boolean success;
+    private String errorMsg;
+    private Object data;
+    private Long total;
+
+    public static Result ok(){
+        return new Result(true, null, null, null);
+    }
+    public static Result ok(Object data){
+        return new Result(true, null, data, null);
+    }
+    public static Result ok(List<?> data, Long total){
+        return new Result(true, null, data, total);
+    }
+    public static Result fail(String errorMsg){
+        return new Result(false, errorMsg, null, null);
+    }
+}

2022-Autumn/Backend/xizhe/Test3/src/main/java/com/xizhe/demo/entity/Grade.java

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+package com.xizhe.demo.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.lang.reflect.Type;
+
+/**
+ * @author admin
+ * @version 1.0
+ * @description: TODO
+ * @date 2023/2/20 12:45
+ */
+
+@TableName("class")
+@Data
+public class Grade implements Serializable {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    private Integer id;
+
+    private String name;
+
+    private Integer schoolId;
+
+}