如何在java中使用分隔符从xml文件中读取键和值?
我想使用java阅读以下xml如何在java中使用分隔符从xml文件中读取键和值?,java,xml,Java,Xml,我想使用java阅读以下xml标记。你能帮个忙吗?提前谢谢 <?xml version="1.0" encoding="UTF-8" ?> <LINE>002:OR,004:0001,002:01,002:01,007:SCEM_02,000:,007:590,000,002:KG,002:PC;/</LINE> 002:OR,004:0001002:01002:01007:SCEM_02000:007:59000002:KG,002:PC;/ 特定情
标记。你能帮个忙吗?提前谢谢
<?xml version="1.0" encoding="UTF-8" ?>
<LINE>002:OR,004:0001,002:01,002:01,007:SCEM_02,000:,007:590,000,002:KG,002:PC;/</LINE>
002:OR,004:0001002:01002:01007:SCEM_02000:007:59000002:KG,002:PC;/
特定情况的解决方案是:
String str = "<LINE>002:OR,004:0001,002:01,002:01,007:SCEM_02,000:,007:590,000,002:KG,002:PC;/</LINE> ";
str = str.substring((str.indexOf(">")+1),str.lastIndexOf("<"));
System.out.println(str);
String str=“002:OR,004:0001002:01002:01007:SCEM_02000:,007:59000002:KG,002:PC;/”;
str=str.substring((str.indexOf(“>”)+1),str.lastIndexOf(“import java.util.regex.*);
公共字符串提取行(字符串xmlSource){
模式p=Pattern.compile((.*);
Matcher m=p.Matcher(xmlSource);
布尔查找=m.find();
如果(!找到)
返回null;
返回m组(1);
}
如何阅读?如果仅此而已,请从文件中读取该行内容。永远不要使用正则表达式解析XML,除非可能是您打算运行一次然后扔掉的代码。例如,如果开始标记中的“>”前面有空格,此代码将失败。向下投票。
import java.util.regex.*;
public String extractLine(String xmlSource) {
Pattern p = Pattern.compile("<LINE>(.*?)</LINE>");
Matcher m = p.matcher(xmlSource);
boolean found = m.find();
if (!found)
return null;
return m.group(1);
}