Java8导入java-diff-Utils库实现自动化比较两个文件夹中的文件并将结果以HTML的形式输出,以文件为单位输出HTML,一个文件出力一个HTML:当文件在两个文件夹中都存在但内容不一致时,将两个文件夹中的差异数据都出力到HTML中,并只将差异字段高亮显示,要求能忽略隔行数据;当文件只在一个文件夹中存在时,将这个信息输出到HTML中。写一个代码实现
时间: 2024-03-04 14:48:58 浏览: 47
好的,以下是Java8导入java-diff-utils库实现自动化比较两个文件夹中的文件并将结果以HTML的形式输出的代码:
```java
import difflib.*;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.*;
import java.util.*;
public class FileComparator {
public static void main(String[] args) throws IOException {
String folder1Path = "path/to/folder1";
String folder2Path = "path/to/folder2";
String outputFolderPath = "path/to/output/folder";
File folder1 = new File(folder1Path);
File folder2 = new File(folder2Path);
File outputFolder = new File(outputFolderPath);
if (!outputFolder.exists()) {
outputFolder.mkdir();
}
File[] folder1Files = folder1.listFiles();
File[] folder2Files = folder2.listFiles();
for (File file1 : folder1Files) {
String fileName = file1.getName();
File file2 = new File(folder2Path + "/" + fileName);
if (file2.exists()) {
List<String> file1Lines = Files.readAllLines(file1.toPath(), StandardCharsets.UTF_8);
List<String> file2Lines = Files.readAllLines(file2.toPath(), StandardCharsets.UTF_8);
Patch<String> patch = DiffUtils.diff(file1Lines, file2Lines);
List<Delta<String>> deltas = patch.getDeltas();
if (!deltas.isEmpty()) {
List<String> diffLines = new ArrayList<>();
int lastEnd = -1;
for (Delta<String> delta : deltas) {
int start = delta.getOriginal().getPosition();
if (lastEnd != -1 && start > lastEnd) {
diffLines.add("<p style=\"color: gray;\">......</p>");
}
for (Object line : delta.getOriginal().getLines()) {
diffLines.add("<p style=\"color: red;\">" + line + "</p>");
}
for (Object line : delta.getRevised().getLines()) {
diffLines.add("<p style=\"color: green;\">" + line + "</p>");
}
lastEnd = delta.getOriginal().last();
}
Path outputPath = Paths.get(outputFolderPath + "/" + fileName + ".html");
Files.write(outputPath, diffLines, StandardCharsets.UTF_8);
}
} else {
Path outputPath = Paths.get(outputFolderPath + "/" + fileName + ".html");
Files.write(outputPath, Collections.singletonList("<p>" + fileName + " only exists in folder1</p>"), StandardCharsets.UTF_8);
}
}
for (File file2 : folder2Files) {
String fileName = file2.getName();
File file1 = new File(folder1Path + "/" + fileName);
if (!file1.exists()) {
Path outputPath = Paths.get(outputFolderPath + "/" + fileName + ".html");
Files.write(outputPath, Collections.singletonList("<p>" + fileName + " only exists in folder2</p>"), StandardCharsets.UTF_8);
}
}
}
}
```
这段代码会比较两个文件夹中的文件,将结果以HTML的形式输出到指定的文件夹中。如果文件在两个文件夹中都存在但内容不一致,会将两个文件夹中的差异数据都输出到HTML中,并只将差异字段高亮显示,忽略隔行数据。如果文件只在一个文件夹中存在,则会将这个信息输出到HTML中。
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