处理html报告

https://www.cnblogs.com/chen-yun/p/9274356.html

 

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.Reader;

 

import org.springframework.stereotype.Component;

 

import com.lmt.config.UrlConstants;

 

@Component
public class ParseFile {

 

/**
* 解析html文件
* @param file
* @return
*/
public String readHtml(File file){
String body = "";
try {
FileInputStream iStream = new FileInputStream(file);
Reader reader = new InputStreamReader(iStream);
BufferedReader htmlReader = new BufferedReader(reader);

String line;
boolean found = false;
while (!found && (line = htmlReader.readLine()) != null) {
if (line.toLowerCase().indexOf("的前面可能存在空格
found = true;
}
}

found = false;
while (!found && (line = htmlReader.readLine()) != null) {
if (line.toLowerCase().indexOf(" found = true;
} else {
// 如果存在图片，则将相对路径转换为绝对路径
String lowerCaseLine = line.toLowerCase();
if (lowerCaseLine.contains("src")) {

//这里是定义图片的访问路径
String directory = "D:/test";
// 如果路径名不以反斜杠结尾，则手动添加反斜杠
/*if (!directory.endsWith("\\")) {
directory = directory + "\\";
}*/
// line = line.substring(0, lowerCaseLine.indexOf("src") + 5) + directory + line.substring(lowerCaseLine.indexOf("src") + 5);
/*String filename = extractFilename(line);
line = line.substring(0, lowerCaseLine.indexOf("src") + 5) + directory + filename + line.substring(line.indexOf(filename) + filename.length());
*/
// 如果该行存在多个元素，则分行进行替代
String[] splitLines = line.split(" // 因为java中引用的问题不能使用for each
for (int i = 0; i < splitLines.length; i++) {
if (splitLines[i].toLowerCase().startsWith("src")) {
splitLines[i] = splitLines[i].substring(0, splitLines[i].toLowerCase().indexOf("src") + 5)
+ directory
+ splitLines[i].substring(splitLines[i].toLowerCase().indexOf("src") + 5);
}
}

// 最后进行拼接
line = "";
for (int i = 0; i < splitLines.length - 1; i++) { // 循环次数要-1，因为最后一个字符串后不需要添加 line = line + splitLines[i] + " }
line = line + splitLines[splitLines.length - 1];
}

body = body + line + "\n";
}
}
htmlReader.close();
// System.out.println(body);

} catch (Exception e) {
e.printStackTrace();
}
return body;
}

/**
*
* @param htmlLine 一行html片段，包含元素
* @return 文件名
*/
public static String extractFilename(String htmlLine) {
int srcIndex = htmlLine.toLowerCase().indexOf("src=");
if (srcIndex == -1) { // 图片不存在，返回空字符串
return "";
} else {
String htmlSrc = htmlLine.substring(srcIndex + 4);
char splitChar = '\"'; // 默认为双引号，但也有可能为单引号
if (htmlSrc.charAt(0) == '\'') {
splitChar = '\'';
}
String[] firstSplit = htmlSrc.split(String.valueOf(splitChar));
String path = firstSplit[1]; // 第0位为空字符串
String[] secondSplit = path.split("[/\\\\]"); // 匹配正斜杠或反斜杠
return secondSplit[secondSplit.length - 1];
}
}

}