提交demo代码

README.md

@@ -1,3 +1,6 @@
 # demo-attachment-downloader
 
-附件下载接口扩展demo实例
+附件下载接口扩展demo实例\
+demo生效后，在D:\test目录下新建一个Hello.txt。\
+然后所有的单个附件下载就会全部变成下载这个Hello.txt了。\
+代码中也演示了帆软中的附件的一些基础操作\

build.gradle

@@ -0,0 +1,124 @@
+
+apply plugin: 'java'
+
+[compileJava,compileTestJava]*.options*.encoding = 'UTF-8'
+
+ext {
+    /**
+     * 项目中依赖的jar的路径
+     * 1.如果依赖的jar需要打包到zip中,放置在lib根目录下
+     * 2.如果依赖的jar仅仅是编译时需要，防止在lib下子目录下即可
+     */
+    libPath = "$projectDir/../../webroot/WEB-INF/lib"
+
+    /**
+     * 是否对插件的class进行加密保护，防止反编译
+     */
+    guard = false
+
+    def pluginInfo = getPluginInfo()
+    pluginPre = "fine-plugin"
+    pluginName = pluginInfo.id
+    pluginVersion = pluginInfo.version
+
+    outputPath = "$projectDir/../../webroot/WEB-INF/plugins/plugin-" + pluginName + "-1.0/classes"
+}
+
+group = 'com.fr.plugin'
+version = '10.0'
+sourceCompatibility = '8'
+
+sourceSets {
+    main {
+        java.outputDir = file(outputPath)
+        output.resourcesDir = file(outputPath)
+    }
+}
+
+ant.importBuild("encrypt.xml")
+//定义ant变量
+ant.projectDir = projectDir
+ant.references["compile.classpath"] = ant.path {
+    fileset(dir: libPath, includes: '**/*.jar')
+    fileset(dir: ".",includes:"**/*.jar" )
+}
+
+classes.dependsOn('clean')
+
+task copyFiles(type: Copy,dependsOn: 'classes'){
+    from outputPath
+    into "$projectDir/classes"
+}
+
+task preJar(type:Copy,dependsOn: guard ? 'compile_encrypt_javas' : 'compile_plain_javas'){
+    from "$projectDir/classes"
+    into "$projectDir/transform-classes"
+    include "**/*.*"
+}
+jar.dependsOn("preJar")
+
+task makeJar(type: Jar,dependsOn: preJar){
+    from fileTree(dir: "$projectDir/transform-classes")
+    baseName pluginPre
+    appendix pluginName
+    version pluginVersion
+    destinationDir = file("$buildDir/libs")
+
+    doLast(){
+        delete file("$projectDir/classes")
+        delete file("$projectDir/transform-classes")
+    }
+}
+
+task copyFile(type: Copy,dependsOn: ["makeJar"]){
+    from "$buildDir/libs"
+    from("$projectDir/lib") {
+        include "*.jar"
+    }
+    from "$projectDir/plugin.xml"
+    into file("$buildDir/temp/plugin")
+}
+
+task zip(type:Zip,dependsOn:["copyFile"]){
+    from "$buildDir/temp/plugin"
+    destinationDir file("$buildDir/install")
+    baseName pluginPre
+    appendix pluginName
+    version pluginVersion
+}
+
+//控制build时包含哪些文件,排除哪些文件
+processResources {
+//    exclude everything
+//    用*.css没效果
+//    exclude '**/*.css'
+//    except this file
+//    include 'xx.xml'
+}
+
+/*读取plugin.xml中的version*/
+def getPluginInfo(){
+    def xmlFile = file("plugin.xml")
+    if (!xmlFile.exists()) {
+        return ["id":"none", "version":"1.0.0"]
+    }
+    def plugin = new XmlParser().parse(xmlFile)
+    def version = plugin.version[0].text()
+    def id = plugin.id[0].text()
+    return ["id":id,"version":version]
+}
+
+repositories {
+    mavenLocal()
+    maven {
+        url = uri('http://mvn.finedevelop.com/repository/maven-public/')
+    }
+}
+
+dependencies {
+    //使用本地jar
+    implementation  fileTree(dir: 'lib', include: ['**/*.jar'])
+    implementation  fileTree(dir: libPath, include: ['**/*.jar'])
+}
+
+

encrypt.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<project>
+    <target name="compile_encrypt_javas" depends="copyFiles">
+        <echo message="加密文件"/>
+        <echo message="${projectDir}"/>
+        <taskdef name="pretreatment" classname="com.fr.plugin.pack.PluginPretreatmentTask">
+            <classpath refid="compile.classpath"/>
+        </taskdef>
+        <pretreatment baseDir="${projectDir}"/>
+    </target>
+    <target name="compile_plain_javas" depends="copyFiles">
+    </target>
+</project>

plugin.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?><plugin>
+    <id>com.tptj.demo.hg.attachment.downloader.v10</id>
+    <name><![CDATA[ AttachmentDownloader]]></name>
+    <active>yes</active>
+    <version>1.0</version>
+    <env-version>10.0</env-version>
+    <vendor>tptj</vendor>
+    <jartime>2019-07-18</jartime>
+    <description><![CDATA[  ]]></description>
+    <change-notes><![CDATA[]]></change-notes>
+	<main-package>com.tptj.demo.hg.attachment.downloader</main-package>
+    <function-recorder class="com.tptj.demo.hg.attachment.downloader.Demo"/>
+    <extra-core>
+        <AttachmentDownloader class="com.tptj.demo.hg.attachment.downloader.Demo"/>
+    </extra-core>
+</plugin>

src/main/java/com/tptj/demo/hg/attachment/downloader/Demo.java

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+package com.tptj.demo.hg.attachment.downloader;
+
+import com.fr.cache.Attachment;
+import com.fr.cache.AttachmentFileBase;
+import com.fr.cache.AttachmentSource;
+import com.fr.decision.webservice.v10.login.LoginService;
+import com.fr.general.web.ParameterConstants;
+import com.fr.intelli.record.Focus;
+import com.fr.log.FineLoggerFactory;
+import com.fr.record.analyzer.EnableMetrics;
+import com.fr.stable.bridge.ObjectHolder;
+import com.fr.stable.fun.assist.Selector;
+import com.fr.stable.fun.impl.AbstractAttachmentDownloader;
+import com.fr.web.fun.DefaultAttachmentDownloader;
+import com.fr.web.utils.WebUtils;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * @author 秃破天际
+ * @version 10.0
+ * Created by 秃破天际 on 2021/6/22
+ **/
+@EnableMetrics
+public class Demo extends AbstractAttachmentDownloader {
+
+    public Selector selector() {
+        return new Selector() {
+            @Override
+            public boolean accept( ObjectHolder holder ) {
+                HttpServletRequest req = holder.get(HttpServletRequest.class);
+                String id = WebUtils.getHTTPRequestParameter(req, "id");
+                String[] id_array = id.split("\\.");
+                return true;
+            }
+        };
+    }
+    @Override
+    @Focus(id="com.tptj.demo.hg.attachment.downloader.v10",text = "AttachmentDownloader")
+    public void download(HttpServletRequest req, HttpServletResponse res, String id, String[] idArray) throws Exception {
+        if(idArray.length != 1){
+            DefaultAttachmentDownloader.getInstance().download(req,res,id,idArray);
+            return;
+        }
+        //删除原来的附件
+        AttachmentSource.removeAttachment(id);
+        //创建一个新的附件
+        AttachmentFileBase file = new AttachmentFileBase("D:/test", "Hello.txt");
+        Attachment attachment = new Attachment( id, ParameterConstants.FILE, "Hello.txt",file);
+        //把附件设置到缓存中
+        AttachmentSource.putAttachment(id,attachment);
+        //重新输出附件
+        DefaultAttachmentDownloader.getInstance().download(req,res,id,idArray);
+        //打印日志
+        String username = LoginService.getInstance().getCurrentUserNameFromRequestCookie(req);
+        //Attachment attachment = AttachmentSource.getAttachment(id);
+        FineLoggerFactory.getLogger().info("User[{}] Loaded Attachment[{}]", username , attachment.getFilename() );
+    }
+
+    @Override
+    public String createDownloadScript(String downloadURL) {
+        return "window.open('" + downloadURL + "')";
+    }
+}