使用 Apache POI XDGF 读取 vsdx 文件
引入依赖
org.apache.logging.log4j
log4j-core
2.22.1
org.apache.logging.log4j
log4j-slf4j-impl
2.22.1
org.apache.logging.log4j
log4j-1.2-api
2.22.1
org.apache.logging.log4j
log4j-api
2.22.1
org.apache.poi
poi
5.2.5
org.apache.poi
poi-ooxml
5.2.5
commons-io
commons-io
2.15.1
下载示例文件：A flowchart diagram that details the steps for buying a property
Java代码如下：
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.poi.xdgf.extractor.XDGFVisioExtractor;
import org.apache.poi.xdgf.usermodel.XmlVisioDocument;
import org.w3c.dom.Node;
public class VsdxReadTest {
public static void main(final String[] args) throws FileNotFoundException, IOException {
final XmlVisioDocument xvd = new XmlVisioDocument(new FileInputStream("data\\vsdx\\tf16403429.vsdx"));
// open VSD file
final XDGFVisioExtractor extractor = new XDGFVisioExtractor(xvd);
System.out.println("------text-----");
System.out.println(extractor.getText());
System.out.println("------text-----");
extractor.getDocument().getPages().forEach(p -> {
final StringBuilder bud = new StringBuilder();
System.out.println("页名：" + p.getName());
p.getContent().getXmlObject().getShapes().getShapeList().forEach(s -> {
System.out.println("------xml-----" + s.getID() + "---" + s.getName());
System.out.println(s);
System.out.println("------xml-----" + s.getID() + "---" + s.getName());
for (int i = 0; i < s.getDomNode().getChildNodes().getLength(); i++) {
final Node n = s.getDomNode().getChildNodes().item(i);
printNode(bud, n, 1);
if (n.getChildNodes().getLength() > 0) {
Boolean print2 = Boolean.FALSE;
for (int j = 0; j < n.getChildNodes().getLength(); j++) {
final Node n2 = n.getChildNodes().item(j);
if (printNode(bud, n2, 2)) {
print2 = Boolean.TRUE;
}
if (n2.getChildNodes().getLength() > 0) {
Boolean print3 = Boolean.FALSE;
for (int k = 0; k < n2.getChildNodes().getLength(); k++) {
final Node n3 = n2.getChildNodes().item(k);
if (printNode(bud, n3, 3)) {
print3 = Boolean.TRUE;
}
}
if (print3) {
bud.append(System.lineSeparator());
}
}
}
if (print2) {
bud.append(System.lineSeparator());
}
}
}
});
System.out.println("------text-----");
System.out.println(bud.toString());
System.out.println("------text-----");
});
}
private static Boolean printNode(final StringBuilder bud, final Node node, final int level) {
if (node.getNodeName().contains("#text")) {
bud.append(node.getNodeValue());
return Boolean.TRUE;
}
return Boolean.FALSE;
}
}输出结果如下
------text-----
Property buying Flowchart
Start with an agent
you trust
Consult with agent to determine your property wants and needs
Review and complete paperwork
Go to preferred lender,
get pre-qualified and
pre-approval for loan amount
With agent, analyze
market to choose properties of interest
View properties
with agent
A
A
Select ideal property
and write offer to
purchase
Negotiate
& Counteroffer: Agreement?
Accept the contract
Secure underwriting,
obtain loan approval
Select/Contact closing attorney for title exam
and title insurance
Schedule inspection
and survey
Close on the
property
Yes
No
------text-----
页名：Page-1
------xml-----188---null
------xml-----188---null
------xml-----239---Start/End.132
------xml-----239---Start/End.132
------xml-----256---null
------xml-----256---null
------xml-----257---Process.133
------xml-----257---Process.133
------xml-----258---null
------xml-----258---null
------xml-----259---Process.135
------xml-----259---Process.135
------xml-----260---null
------xml-----260---null
------xml-----261---Process.137
------xml-----261---Process.137
------xml-----262---null
------xml-----262---null
------xml-----263---Process.157
------xml-----263---Process.157
------xml-----264---null
------xml-----264---null
------xml-----265---Process.164
------xml-----265---Process.164
------xml-----266---null
------xml-----266---null
------xml-----267---On-page reference.194
------xml-----267---On-page reference.194
------xml-----268---On-page reference.268
------xml-----268---On-page reference.268
------xml-----269---null
------xml-----269---null
------xml-----270---Process.166
------xml-----270---Process.166
------xml-----271---null
------xml-----271---null
------xml-----272---Decision.170
------xml-----272---Decision.170
------xml-----275---Process.177
------xml-----275---Process.177
------xml-----276---null
------xml-----276---null
------xml-----277---Process.179
------xml-----277---Process.179
------xml-----278---null
------xml-----278---null
------xml-----279---Process.181
------xml-----279---Process.181
------xml-----280---null
------xml-----280---null
------xml-----281---Process.183
------xml-----281---Process.183
------xml-----283---null
------xml-----283---null
------xml-----284---Start/End.185
------xml-----284---Start/End.185
------xml-----289---null
------xml-----289---null
------xml-----291---Dynamic connector
------xml-----291---Dynamic connector
------text-----
Property buying Flowchart
Start with an agent
you trust
Consult with agent to determine your property wants and needs
Review and complete paperwork
Go to preferred lender,
get pre-qualified and
pre-approval for loan amount
With agent, analyze
market to choose properties of interest
View properties
with agent
A
A
Select ideal property
and write offer to
purchase
Negotiate
& Counteroffer: Agreement?
Accept the contract
Secure underwriting,
obtain loan approval
Select/Contact closing attorney for title exam
and title insurance
Schedule inspection
and survey
Close on the
property
Yes
No
------text-----参考资料：
1. Apache POI - HDGF and XDGF - Java API To Access Microsoft Visio Format Files
2.Introduction to the Visio file format (.vsdx)
3.java导入visio文件_xdgfvisiorenderer-CSDN博客
4.Featured Visio templates and diagrams - Microsoft Support