add: 添加操作日志,添加PDF加载系统
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yanps
33
get_picture/.gitignore
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33
get_picture/.gitignore
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HELP.md
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target/
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!.mvn/wrapper/maven-wrapper.jar
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!**/src/main/**/target/
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!**/src/test/**/target/
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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!**/src/main/**/build/
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!**/src/test/**/build/
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### VS Code ###
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.vscode/
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19
get_picture/.mvn/wrapper/maven-wrapper.properties
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19
get_picture/.mvn/wrapper/maven-wrapper.properties
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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wrapperVersion=3.3.2
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distributionType=only-script
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
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66
get_picture/pom.xml
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66
get_picture/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.2.10.RELEASE</version>
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</parent>
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<groupId>com.nuoli</groupId>
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<artifactId>PDF</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>PDF</name>
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<properties>
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<java.version>1.8</java.version>
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<hutool.version>5.7.14</hutool.version>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!--工具包-->
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<dependency>
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<groupId>cn.hutool</groupId>
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<artifactId>hutool-all</artifactId>
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<version>${hutool.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.pdfbox</groupId>
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<artifactId>fontbox</artifactId>
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<version>2.0.9</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.pdfbox/pdfbox -->
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<dependency>
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<groupId>org.apache.pdfbox</groupId>
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<artifactId>pdfbox</artifactId>
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<version>2.0.9</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.nuoli.PDF;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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/**
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* @author admin
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*/
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@SpringBootApplication
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public class GetPictureApplication {
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public static void main(String[] args) {
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SpringApplication.run(GetPictureApplication.class, args);
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}
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}
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/*
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package com.yan.yan_first.config.handler;
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*/
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/**
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* 全局异常类
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*
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* @author LENOVO
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*//*
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@RestControllerAdvice
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public class HandlerException {
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@ExceptionHandler(Exception.class)
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public void handleException(Exception e) {
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e.printStackTrace();
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}
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}
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*/
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package com.nuoli.PDF.system.controller.secutiry;
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import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.json.JSONArray;
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import cn.hutool.json.JSONObject;
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import org.apache.pdfbox.pdmodel.PDDocument;
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import org.apache.pdfbox.rendering.PDFRenderer;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.web.bind.annotation.*;
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import sun.misc.BASE64Encoder;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.*;
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import java.net.HttpURLConnection;
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import java.net.InetAddress;
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import java.net.URL;
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import java.net.UnknownHostException;
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import java.util.*;
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/**
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* 用户登录
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*
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* @author LENOVO
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*/
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@RestController
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@RequestMapping("api/file")
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public class AuthorizationController {
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@Value("${material.path}")
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public String materialPath;
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@Value("${vehicle.path}")
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public String vehiclePath;
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@Value("${vehicle.post}")
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public String vehicleFilePost;
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@PostMapping("selectPath")
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public List<Map<String, String>> selectPath(@RequestBody JSONArray json) throws IOException {
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File file = new File(materialPath);
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if (file.exists()) {
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return selectMaterialPath(file, json);
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} else {
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System.out.println("文件不存在");
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}
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return null;
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}
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@PostMapping("selectFile")
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public String selectFile(@RequestBody JSONObject json) {
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byte[] bytes = pdf2png(json.getStr("path"), "png");
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if (ObjectUtil.isNotEmpty(bytes)) {
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BASE64Encoder encoder = new BASE64Encoder();
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return "data:image/png;base64," + encoder.encode(bytes).replace("\r\n", "");
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}
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return null;
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}
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public List<Map<String, String>> selectMaterialPath(File directory, JSONArray materials) throws UnknownHostException {
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if (directory == null || !directory.exists() || !directory.isDirectory()) {
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return new ArrayList<>();
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}
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Queue<File> queue = new LinkedList<>();
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queue.add(directory);
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List<Map<String, String>> maps = new ArrayList<>();
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Set<String> materialSet = new HashSet<>(materials.toList(String.class));
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// 如果 materialSet 为空，直接返回空的 maps 列表
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if (materialSet.isEmpty()) {
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return maps;
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}
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while (!queue.isEmpty()) {
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File currentDir = queue.poll();
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File[] files = currentDir.listFiles();
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if (files == null) {
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continue;
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}
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for (File file : files) {
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if (file.isDirectory()) {
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queue.add(file);
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} else if (file.isFile() && file.getName().endsWith(".pdf")) {
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String material = file.getName().substring(0, file.getName().lastIndexOf('.'));
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if (materialSet.contains(material)) {
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pdf2png(file.getPath(), vehiclePath, material);
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InetAddress localhost = InetAddress.getLocalHost();
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String url = "http://" + localhost.getHostAddress() + ":" + vehicleFilePost + "/" + material + ".jpg";
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HashMap<String, String> map = new HashMap<>();
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map.put("name", material);
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map.put("value", url);
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maps.add(map);
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materialSet.remove(material);
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if (materialSet.isEmpty()) {
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return maps;
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}
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}
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}
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}
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}
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return maps;
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}
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/**
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* 使用pdfbox将整个pdf转换成图片
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*
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* @param fileAddress 文件地址 如:C:\\Users\\user\\Desktop\\test
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* @param type 图片类型 png 和jpg
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*/
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public byte[] pdf2png(String fileAddress, String type) {
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File file = new File(fileAddress);
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try (PDDocument doc = PDDocument.load(file)) {
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PDFRenderer renderer = new PDFRenderer(doc);
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int pageCount = doc.getNumberOfPages();
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for (int i = 0; i < pageCount; i++) {
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// dpi为144，越高越清晰，转换越慢
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BufferedImage image = renderer.renderImageWithDPI(i, 144);
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try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
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ImageIO.write(image, type, bos);
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return bos.toByteArray();
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}
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}
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} catch (IOException e) {
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return null;
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}
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return null;
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}
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public void pdf2png(String fileAddress, String lastAddress, String materialName) {
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File file = new File(fileAddress);
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try (PDDocument doc = PDDocument.load(file)) {
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PDFRenderer renderer = new PDFRenderer(doc);
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int pageCount = doc.getNumberOfPages();
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for (int i = 0; i < pageCount; i++) {
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BufferedImage image = renderer.renderImageWithDPI(i, 144);
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String lastPath = lastAddress + "\\" + materialName + ".jpg";
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File lastFile = new File(lastPath);
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if(!lastFile.exists()){
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lastFile.createNewFile();
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}
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ImageIO.write(image, "jpg", lastFile);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public static void imageToByteAndWriteToFile() throws IOException {
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String imageUrl = "http://10.192.37.10:3000/uploads/sortedpallets/N329650_P26.png";
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String outputFilePath = "D:\\software\\nginx-1.24.0\\N329650_P26.png";
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URL url = new URL(imageUrl);
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HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
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httpURLConnection.setRequestMethod("GET");
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try (InputStream inputStream = httpURLConnection.getInputStream();
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FileOutputStream fileOutputStream = new FileOutputStream(outputFilePath)) {
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byte[] buffer = new byte[1024];
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int bytesRead;
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while ((bytesRead = inputStream.read(buffer)) != -1) {
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fileOutputStream.write(buffer, 0, bytesRead);
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}
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} finally {
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httpURLConnection.disconnect();
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}
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}
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}
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@@ -0,0 +1,17 @@
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package com.nuoli.PDF.system.service.secutiry;
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import cn.hutool.json.JSONObject;
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/**
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* 登录实现类
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* @author LENOVO
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*/
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public interface AuthorizationService {
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/**
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* 用户登录
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* @param json
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* @return
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*/
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JSONObject login(JSONObject json);
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}
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@@ -0,0 +1,26 @@
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package com.nuoli.PDF.system.service.secutiry.impl;
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import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.json.JSONObject;
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import com.nuoli.PDF.system.service.secutiry.AuthorizationService;
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import org.springframework.stereotype.Service;
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/**
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* 登录实现类
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*
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* @author LENOVO
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*/
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@Service
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public class AuthorizationServiceImpl implements AuthorizationService {
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private static final String errString = "登录失败";
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@Override
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public JSONObject login(JSONObject json) {
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boolean allNotEmpty = ObjectUtil.isAllNotEmpty(json.getStr("username"), json.getStr("password"));
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if (allNotEmpty) throw new RuntimeException(errString);
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return null;
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}
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}
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9
get_picture/src/main/resources/application.yml
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9
get_picture/src/main/resources/application.yml
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server:
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port: 8083
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material:
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path: \\cnsha08447\SSLSDATA\07_Technology\Formal_Drawing\PDF
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vehicle:
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path: D:\software\images
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post: 8088
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@@ -0,0 +1,13 @@
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package com.nuoli.PDF;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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@SpringBootTest
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class YanFirstApplicationTests {
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@Test
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void contextLoads() {
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}
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}
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Reference in New Issue
Block a user