init

README.md

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+把其他弹幕网站的弹幕转换成B站弹幕格式

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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.pqh</groupId>
+    <artifactId>format.danmu</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jsoup</groupId>
+            <artifactId>jsoup</artifactId>
+            <version>1.11.3</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.51</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.dom4j</groupId>
+            <artifactId>dom4j</artifactId>
+            <version>2.1.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.luhuiguo</groupId>
+            <artifactId>chinese-utils</artifactId>
+            <version>1.0</version>
+        </dependency>
+
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.6</version>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/AniGamerParser.java

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+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.luhuiguo.chinese.ChineseUtils;
+import org.jsoup.Connection;
+import org.jsoup.Jsoup;
+
+import java.io.IOException;
+import java.util.List;
+
+public class AniGamerParser implements Parser<JSONObject> {
+
+    private static final String INTERFACE_URL ="https://ani.gamer.com.tw/ajax/danmuGet.php";
+
+    @Override
+    public String color(JSONObject content) {
+        return  Integer.parseInt(content.getString("color").replace("#", ""), 16)+"";
+    }
+
+    @Override
+    public String size(JSONObject content) {
+        if(content.getIntValue("size")==2){
+            return "30";
+        }else{
+            return "25";
+        }
+    }
+
+    @Override
+    public String text(JSONObject content) {
+        return ChineseUtils.toSimplified(content.getString("text"));
+    }
+
+    @Override
+    public String style(JSONObject content) {
+        if(content.getIntValue("position")==2){
+            return "2";
+        }else{
+            return "1";
+        }
+    }
+
+    @Override
+    public String time(JSONObject content) {
+        return (content.getDoubleValue("time")/10)+"";
+    }
+
+    @Override
+    public List<JSONObject> parse(String playUrl) {
+        String tstr;
+        try {
+            tstr = Jsoup.connect(INTERFACE_URL).ignoreContentType(true).method(Connection.Method.POST).data("sn", playUrl.replaceAll("\\D+","")).execute().body();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return JSON.parseArray(tstr).toJavaList(JSONObject.class);
+    }
+}

src/main/java/BuildDanmu.java

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+import org.apache.commons.io.FileUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+public class BuildDanmu<T> {
+    private Parser<T> parser;
+
+    private static final String DANMU_HEADER="<?xml version=\"1.0\" encoding=\"UTF-8\"?><i>\n";
+
+    public BuildDanmu(Parser<T> parser) {
+        this.parser = parser;
+    }
+
+    /**
+     * 生成弹幕
+     * @param playUrl  播放地址
+     * @param filepath 生成路径
+     */
+    public void build(String playUrl,String filepath){
+        List<T> list=parser.parse(playUrl);
+
+        File danmuFile=new File(filepath);
+
+        StringBuffer sb=new StringBuffer(DANMU_HEADER);
+        for(T t:list){
+            sb.append("<d p=\"").append(parser.time(t)).append(",").append(parser.style(t)).append(",").append(parser.size(t)).append(",").append(parser.color(t))
+                    .append(",0,0,0,0\">").append(parser.text(t)).append("</d>").append("\n");
+        }
+        sb.append("</i>");
+        try {
+            FileUtils.writeStringToFile(danmuFile,sb.toString(),"UTF-8");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/Parser.java

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+import java.util.List;
+
+/**
+ * 弹幕内容解释器
+ * @param <T>
+ */
+public interface Parser<T> {
+    //弹幕颜色
+    String color(T content);
+
+    //弹幕大小
+    String size(T content);
+
+    //弹幕文本
+    String text(T content);
+
+    //弹幕移动样式
+    String style(T content);
+
+    //弹幕发送时间
+    String time(T content);
+
+    /**
+     * 根据视频播放地址解析弹幕数据
+     * @param playUrl
+     * @return
+     */
+    List<T> parse(String playUrl);
+
+}

src/main/java/SohuParser.java

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+import org.dom4j.DocumentException;
+import org.dom4j.Element;
+import org.dom4j.io.SAXReader;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.select.Elements;
+
+import java.io.IOException;
+import java.util.List;
+
+public class SohuParser implements Parser<Element> {
+    @Override
+    public String color(Element content) {
+        return content.attributeValue("c");
+    }
+
+    @Override
+    public String size(Element content) {
+        switch (content.attributeValue("s")) {
+            case "l":
+                return "30";
+            case "m":
+                return "25";
+            default:
+                return "18";
+        }
+    }
+
+    @Override
+    public String text(Element content) {
+        return content.getText();
+    }
+
+    @Override
+    public String style(Element content) {
+        if (content.attributeValue("m").contains("f")) {
+            switch (content.attributeValue("p")) {
+                case "t":
+                case "m":
+                    return "5";
+                default:
+                    return "4";
+            }
+        } else if (content.attributeValue("m").contains("l")) {
+            switch (content.attributeValue("p")) {
+                case "t":
+                case "m":
+                    return "1";
+                default:
+                    return "2";
+            }
+        } else {
+            return "1";
+        }
+
+    }
+
+    @Override
+    public String time(Element content) {
+        return content.attributeValue("v");
+    }
+
+    @Override
+    public List<Element> parse(String playUrl) {
+        Document doc;
+        try {
+            doc = Jsoup.connect(playUrl).get();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        Elements videosrc=doc.select("meta[property=og:videosrc]");
+        if(videosrc.size()!=1){
+            throw new RuntimeException("该视频:"+playUrl+"找不到弹幕");
+        }
+        String vid = videosrc.get(0).attr("content").replaceAll("\\D","");
+
+        SAXReader reader = new SAXReader();
+
+        org.dom4j.Document document;
+        try {
+            document = reader.read("http://cdn.danmu.56.com/xml/2/v_" + vid + ".xml");
+        } catch (DocumentException e) {
+            throw new RuntimeException(e);
+        }
+
+        Element d = document.getRootElement().elements("d").get(0);
+
+        return d.elements("c");
+    }
+
+}

src/test/java/TestBuild.java

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+import com.alibaba.fastjson.JSONObject;
+import org.dom4j.Element;
+import org.junit.Test;
+
+import java.io.IOException;
+
+public class TestBuild {
+    @Test
+    public void test() throws IOException {
+        BuildDanmu<Element> b1=new BuildDanmu<>(new SohuParser());
+        b1.build("https://tv.sohu.com/v/MjAxNzA2MjIvbjYwMDAxNzkzNC5zaHRtbA==.html?fid=847&pvid=4d4db6d26aa0a4ec","D://BuildDanmu.xml");
+
+        BuildDanmu<JSONObject> buildDanmu=new BuildDanmu<>(new AniGamerParser());
+        buildDanmu.build("https://ani.gamer.com.tw/animeVideo.php?sn=10852","D://AniGamerParser.xml");
+    }
+}