java生成脚本文件，并调用CMD执行脚本文件返回执行结果

java生成脚本文件，并调用CMD执行脚本文件返回执行结果

生成文件

TextInsertController

package com.xiangbo.demo.controller;

import com.xiangbo.demo.utils.FileUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;


import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

@Component
@RequestMapping
public class TextInsertController {

    @Autowired
    private HttpServletRequest request;

    @GetMapping
    public String index(Model model){
        return "/index";
    }

    @RequestMapping("/insert/code")
    @ResponseBody
    public Object doCtrlService() throws Exception {

        //获取前端传过来的代码数据
        String classIdStr = request.getParameter("code");
        String userId = "5657";
        String ckpointId = "8";

        /**
         * 获取时间戳，作为文件名
         */
        Calendar rightNow=Calendar.getInstance();
        Date d1=rightNow.getTime();
        SimpleDateFormat sdf1=new SimpleDateFormat("yyyyMMddHHmmss");
        String nowtime=(sdf1.format(d1)).toString();

        String str = "D:/python/code/"+userId+"/"+ckpointId+"/py/";

        File dir=new File(str);
        dir.mkdirs();
        String makeBoatsLogStr=str+nowtime+"code.py";
        /**
         * 创建文件
         */
        File makeBoatsLog=new File(makeBoatsLogStr);

        //判断文件是否存在，若存在，先删除在重新创建
        if (makeBoatsLog.exists()){

            makeBoatsLog.delete();

            makeBoatsLog=new File(makeBoatsLogStr);
        }

        FileWriter fw = new FileWriter(makeBoatsLog,true);
        String lineEnd="\r\n";

        fw.write(classIdStr);
        fw.flush();

        fw.close();

        String s = FileUtils.runCommand("python " + makeBoatsLogStr);

        System.out.println(s);

        return s;
    }

}

cmd执行文件

FileUtils

package com.xiangbo.demo.utils;


import java.io.*;



@SuppressWarnings("all")
public class FileUtils {


        public static void main(String[] strings)
        {
            System.out.println(runCommand("ipconfig"));
        }


        /*方法一*/
        public static String execCommand(String command)
        {
            String line = "";
            StringBuilder sb = new StringBuilder();

            try (BufferedReader bufferedReader = new BufferedReader(
                    new InputStreamReader(
                            Runtime.getRuntime().exec(command).getInputStream(),"gbk")))
            {
                while ((line = bufferedReader.readLine()) != null)
                    sb.append(line + "\r\n");
            } catch (IOException e) { return "Invalid command."; }

            return sb.toString();
        }


        /*方法二*/

    public static String runCommand(String command){

        InputStreamReader stdISR = null;
        InputStreamReader errISR = null;
        Process process = null;
        String lines = null;
        StringBuilder sb = new StringBuilder();

        try {
            process = Runtime.getRuntime().exec(command);
            int exitValue = process.waitFor();

            stdISR = new InputStreamReader(process.getInputStream(),"Shift-JIS");
            BufferedReader stdBR = new BufferedReader(stdISR);
            while ((lines = stdBR.readLine()) != null) {
                sb.append(lines + "\r\n");
                System.out.println("STD line:" + lines);
            }

            errISR = new InputStreamReader(process.getErrorStream(),"Shift-JIS");
            BufferedReader errBR = new BufferedReader(errISR);
            while ((lines = errBR.readLine()) != null) {
                sb.append(lines + "\r\n");
                System.out.println("ERR line:" + lines);
            }
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        } finally {
            try {
                if (stdISR != null) {
                    stdISR.close();
                }
                if (errISR != null) {
                    errISR.close();
                }
                if (process != null) {
                    process.destroy();
                }
            } catch (IOException e) {
                System.out.println("正式执行命令：" + command + "有IO异常");
            }
        }



        return sb.toString();
    }



    }

html

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <script th:src="@{/js/jquery-3.2.1.min.js}"></script>
</head>
<body>

<textarea id="code" class="form-control" placeholder="请输入代码....." style="width: 500px;height: 400px;float: left;"></textarea>
<textarea id="data" class="form-control" placeholder="终端输出显示：" style="width: 500px;height: 400px;"></textarea>

<div style="border: 1px solid;width: 100px;border-radius: 10px;
height: 30px;font-size: larger;text-align: center; background: aqua" id="submit">提交</div>


<script>

    $(function () {

        $("#submit").click(function () {
                text();

            }
        );


    })

    function text() {

       var code =  $("#code").val();

        $.ajax({

            url:"insert/code",
            type:"post",
            data:{"code":code},
            success:function (data) {


                $("#data").val(data);

                //alert(data);
            }





        });


    }



</script>

</body>
</html>

依赖

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.6</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>