JAVA使用geotools读取shape格式文件的方法
发布时间 - 2026-01-10 22:22:45 点击率:次先看下JAVA用geotools读取shape格式文件

Shapefile属于一种矢量图形格式,它能够保存几何图形的位置及相关属性。但这种格式没法存储地理数据的拓扑信息。
其中,要组成一个Shapefile,有三个文件是必不可少的,它们分别是".shp", ".shx"与 ".dbf"文件
- .shp— 图形格式,用于保存元素的几何实体。
- .shx— 图形索引格式。几何体位置索引,记录每一个几何体在shp文件之中的位置,能够加快向前或向后搜索一个几何体的效率。
- .dbf— 属性数据格式,以dBase IV的数据表格式存储每个几何形状的属性数据。
下面将介绍如何通过Java读取Shape文件中的内容信息
我们的pom文件
<?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>com.herbert.geotool</groupId> <artifactId>geo</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-shapefile</artifactId> <version>19.2</version> <scope>system</scope> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-opengis</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-data</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-api</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-main</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-metadata</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-referencing</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.geotools</groupId> <artifactId>gt-geojson</artifactId> <version>19.2</version> </dependency> <dependency> <groupId>org.json.simple</groupId> <artifactId>json-simple</artifactId> <version>1.1</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-pool</artifactId> <version>1.5.4</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang</artifactId> <version>2.6</version> </dependency> <dependency> <groupId>com.vividsolutions</groupId> <artifactId>jts</artifactId> <version>1.13</version> </dependency> </dependencies> </project>
具体Java代码
package com.herbert.geotoool.util;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.geojson.feature.FeatureJSON;
import org.opengis.feature.simple.SimpleFeature;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.nio.charset.Charset;
/**
* @author :Herbert
* @date :Created in 2019/12/26 17:01
* @description:
* @modified By:
* @version: $
*/
public class ShapeModel {
public static void main(String[] args) throws IOException {
long start = System.currentTimeMillis();
String SHAPE_FILE = "F:\\MapData\\gisMap\\xian\\街道界线.shp"; // ShapeFile全路径
// 使用GeoTools读取ShapeFile文件
File shapeFile = new File(SHAPE_FILE);
ShapefileDataStore store = new ShapefileDataStore(shapeFile.toURI().toURL());
//设置编码
Charset charset = Charset.forName("GBK");
store.setCharset(charset);
SimpleFeatureSource sfSource = store.getFeatureSource();
SimpleFeatureIterator sfIter = sfSource.getFeatures().features();
// 从ShapeFile文件中遍历每一个Feature,然后将Feature转为GeoJSON字符串
while (sfIter.hasNext()) {
SimpleFeature feature = (SimpleFeature) sfIter.next();
// Feature转GeoJSON
FeatureJSON fjson = new FeatureJSON();
StringWriter writer = new StringWriter();
fjson.writeFeature(feature, writer);
String sjson = writer.toString();
System.out.println("sjson===== >>>> " + sjson);
}
System.out.println("数据导入完成,共耗时"+(System.currentTimeMillis() - start)+"ms");
}
}
读取数据显示:
补充:JAVA 根据数据库表内容生产树结构JSON数据的实例代码
1、利用场景
组织机构树,通常会有组织机构表,其中有code(代码),pcode(上级代码),name(组织名称)等字段
2、构造数据(以下数据并不是组织机构数据,而纯属本人胡编乱造的数据)
List<Tree<Test>> trees = new ArrayList<Tree<Test>>();
tests.add(new Test("0", "", "关于本人"));
tests.add(new Test("1", "0", "技术学习"));
tests.add(new Test("2", "0", "兴趣"));
tests.add(new Test("3", "1", "JAVA"));
tests.add(new Test("4", "1", "oracle"));
tests.add(new Test("5", "1", "spring"));
tests.add(new Test("6", "1", "springmvc"));
tests.add(new Test("7", "1", "fastdfs"));
tests.add(new Test("8", "1", "linux"));
tests.add(new Test("9", "2", "骑行"));
tests.add(new Test("10", "2", "吃喝玩乐"));
tests.add(new Test("11", "2", "学习"));
tests.add(new Test("12", "3", "String"));
tests.add(new Test("13", "4", "sql"));
tests.add(new Test("14", "5", "ioc"));
tests.add(new Test("15", "5", "aop"));
tests.add(new Test("16", "1", "等等"));
tests.add(new Test("17", "2", "等等"));
tests.add(new Test("18", "3", "等等"));
tests.add(new Test("19", "4", "等等"));
tests.add(new Test("20", "5", "等等"));
3、源码
Tree.java
package pers.kangxu.datautils.bean.tree;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.alibaba.fastjson.JSON;
/**
* tree TODO <br>
*
* @author kangxu2 2017-1-7
*
*/
public class Tree<T> {
/**
* 节点ID
*/
private String id;
/**
* 显示节点文本
*/
private String text;
/**
* 节点状态,open closed
*/
private String state = "open";
/**
* 节点是否被选中 true false
*/
private boolean checked = false;
/**
* 节点属性
*/
private List<Map<String, Object>> attributes;
/**
* 节点的子节点
*/
private List<Tree<T>> children = new ArrayList<Tree<T>>();
/**
* 父ID
*/
private String parentId;
/**
* 是否有父节点
*/
private boolean isParent = false;
/**
* 是否有子节点
*/
private boolean isChildren = false;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public boolean isChecked() {
return checked;
}
public void setChecked(boolean checked) {
this.checked = checked;
}
public List<Map<String, Object>> getAttributes() {
return attributes;
}
public void setAttributes(List<Map<String, Object>> attributes) {
this.attributes = attributes;
}
public List<Tree<T>> getChildren() {
return children;
}
public void setChildren(List<Tree<T>> children) {
this.children = children;
}
public boolean isParent() {
return isParent;
}
public void setParent(boolean isParent) {
this.isParent = isParent;
}
public boolean isChildren() {
return isChildren;
}
public void setChildren(boolean isChildren) {
this.isChildren = isChildren;
}
public String getParentId() {
return parentId;
}
public void setParentId(String parentId) {
this.parentId = parentId;
}
public Tree(String id, String text, String state, boolean checked,
List<Map<String, Object>> attributes, List<Tree<T>> children,
boolean isParent, boolean isChildren, String parentID) {
super();
this.id = id;
this.text = text;
this.state = state;
this.checked = checked;
this.attributes = attributes;
this.children = children;
this.isParent = isParent;
this.isChildren = isChildren;
this.parentId = parentID;
}
public Tree() {
super();
}
@Override
public String toString() {
return JSON.toJSONString(this);
}
}
BuildTree.java
package pers.kangxu.datautils.common.tree;
import java.util.ArrayList;
import java.util.List;
import pers.kangxu.datautils.bean.tree.Tree;
/**
* 构建tree
* TODO
* <br>
* @author kangxu2 2017-1-7
*
*/
public class BuildTree {
/**
*
* TODO
* <br>
* @author kangxu2 2017-1-7
*
* @param nodes
* @return
*/
public static <T> Tree<T> build(List<Tree<T>> nodes) {
if(nodes == null){
return null;
}
List<Tree<T>> topNodes = new ArrayList<Tree<T>>();
for (Tree<T> children : nodes) {
String pid = children.getParentId();
if (pid == null || "".equals(pid)) {
topNodes.add(children);
continue;
}
for (Tree<T> parent : nodes) {
String id = parent.getId();
if (id != null && id.equals(pid)) {
parent.getChildren().add(children);
children.setParent(true);
parent.setChildren(true);
continue;
}
}
}
Tree<T> root = new Tree<T>();
if (topNodes.size() == 0) {
root = topNodes.get(0);
} else {
root.setId("-1");
root.setParentId("");
root.setParent(false);
root.setChildren(true);
root.setChecked(true);
root.setChildren(topNodes);
root.setText("顶级节点");
}
return root;
}
}
BuildTreeTester.java
package pers.kangxu.datautils.test;
import java.util.ArrayList;
import java.util.List;
import pers.kangxu.datautils.bean.tree.Tree;
import pers.kangxu.datautils.common.tree.BuildTree;
public class BuildTreeTester {
public static void main(String[] args) {
List<Tree<Test>> trees = new ArrayList<Tree<Test>>();
List<Test> tests = new ArrayList<Test>();
tests.add(new Test("0", "", "关于本人"));
tests.add(new Test("1", "0", "技术学习"));
tests.add(new Test("2", "0", "兴趣"));
tests.add(new Test("3", "1", "JAVA"));
tests.add(new Test("4", "1", "oracle"));
tests.add(new Test("5", "1", "spring"));
tests.add(new Test("6", "1", "springmvc"));
tests.add(new Test("7", "1", "fastdfs"));
tests.add(new Test("8", "1", "linux"));
tests.add(new Test("9", "2", "骑行"));
tests.add(new Test("10", "2", "吃喝玩乐"));
tests.add(new Test("11", "2", "学习"));
tests.add(new Test("12", "3", "String"));
tests.add(new Test("13", "4", "sql"));
tests.add(new Test("14", "5", "ioc"));
tests.add(new Test("15", "5", "aop"));
tests.add(new Test("16", "1", "等等"));
tests.add(new Test("17", "2", "等等"));
tests.add(new Test("18", "3", "等等"));
tests.add(new Test("19", "4", "等等"));
tests.add(new Test("20", "5", "等等"));
for (Test test : tests) {
Tree<Test> tree = new Tree<Test>();
tree.setId(test.getId());
tree.setParentId(test.getPid());
tree.setText(test.getText());
trees.add(tree);
}
Tree<Test> t = BuildTree.build(trees);
System.out.println(t);
}
}
class Test {
private String id;
private String pid;
private String text;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getPid() {
return pid;
}
public void setPid(String pid) {
this.pid = pid;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public Test(String id, String pid, String text) {
super();
this.id = id;
this.pid = pid;
this.text = text;
}
public Test() {
super();
}
@Override
public String toString() {
return "Test [id=" + id + ", pid=" + pid + ", text=" + text + "]";
}
}
4、运行结果
JSON数据:
{
"checked": true,
"children": [
{
"checked": false,
"children": [
{
"checked": false,
"children": [
{
"checked": false,
"children": [
{
"checked": false,
"children": [],
"id": "12",
"parent": true,
"parentId": "3",
"state": "open",
"text": "String"
},
{
"checked": false,
"children": [],
"id": "18",
"parent": true,
"parentId": "3",
"state": "open",
"text": "等等"
}
],
"id": "3",
"parent": true,
"parentId": "1",
"state": "open",
"text": "JAVA"
},
{
"checked": false,
"children": [
{
"checked": false,
"children": [],
"id": "13",
"parent": true,
"parentId": "4",
"state": "open",
"text": "sql"
},
{
"checked": false,
"children": [],
"id": "19",
"parent": true,
"parentId": "4",
"state": "open",
"text": "等等"
}
],
"id": "4",
"parent": true,
"parentId": "1",
"state": "open",
"text": "oracle"
},
{
"checked": false,
"children": [
{
"checked": false,
"children": [],
"id": "14",
"parent": true,
"parentId": "5",
"state": "open",
"text": "ioc"
},
{
"checked": false,
"children": [],
"id": "15",
"parent": true,
"parentId": "5",
"state": "open",
"text": "aop"
},
{
"checked": false,
"children": [],
"id": "20",
"parent": true,
"parentId": "5",
"state": "open",
"text": "等等"
}
],
"id": "5",
"parent": true,
"parentId": "1",
"state": "open",
"text": "spring"
},
{
"checked": false,
"children": [],
"id": "6",
"parent": true,
"parentId": "1",
"state": "open",
"text": "springmvc"
},
{
"checked": false,
"children": [],
"id": "7",
"parent": true,
"parentId": "1",
"state": "open",
"text": "fastdfs"
},
{
"checked": false,
"children": [],
"id": "8",
"parent": true,
"parentId": "1",
"state": "open",
"text": "linux"
},
{
"checked": false,
"children": [],
"id": "16",
"parent": true,
"parentId": "1",
"state": "open",
"text": "等等"
}
],
"id": "1",
"parent": true,
"parentId": "0",
"state": "open",
"text": "技术学习"
},
{
"checked": false,
"children": [
{
"checked": false,
"children": [],
"id": "9",
"parent": true,
"parentId": "2",
"state": "open",
"text": "骑行"
},
{
"checked": false,
"children": [],
"id": "10",
"parent": true,
"parentId": "2",
"state": "open",
"text": "吃喝玩乐"
},
{
"checked": false,
"children": [],
"id": "11",
"parent": true,
"parentId": "2",
"state": "open",
"text": "学习"
},
{
"checked": false,
"children": [],
"id": "17",
"parent": true,
"parentId": "2",
"state": "open",
"text": "等等"
}
],
"id": "2",
"parent": true,
"parentId": "0",
"state": "open",
"text": "兴趣"
}
],
"id": "0",
"parent": false,
"parentId": "",
"state": "open",
"text": "关于本人"
}
],
"id": "-1",
"parent": false,
"parentId": "",
"state": "open",
"text": "顶级节点"
}
总结
# java
# 数据库
# 树形结构
# geotools读取shape格式
# Geotools实现shape文件的写入功能
# 吃喝玩乐
# 会有
# 胡编乱造
# 遍历
# 必不可少
# 先看
# 数据格式
# 其中有
# import
# util
# vividsolutions
# geotoool
# package
# feature
# FeatureJSON
# SimpleFeature
# SimpleFeatureSource
# ShapefileDataStore
# SimpleFeatureIterator
# io
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