Inquire
Create shp
Data preparation
let param={<!-- -->code: "utf-8",
datalist: [
{<!-- -->name:"place",type:0,height:2.5,geom:"POINT(109.588 34.645)"},
{<!-- -->name:"Incitement of Rebellion",type:2,heigh:3.2,geom:"POINT(109.588 34.645)"}
],
filepath: "D:gisdata/gp/aaa/sx_test.shp",
geomfiled: "geom",
keylist: [
{<!-- -->
filedname: "name",
type: "string"
},{<!-- -->
filedname: "type",
type: "int"
},{<!-- -->
filedname: "heigh",
type: "double"
}
],
type: "Point"
}
shp file creation and adding data
/**
* Generate shape files
*
* @param shpPath Generate shape file path (including file name) filepath
* @param encode encoding code
* @param geoType map type, Point and Rolygon
* @param shpKey data key geomfiled of the image frame
* @param attrKeys attribute key collection keylist
* @param data image frame and attribute collection datalist
*/
public void write2Shape(String shpPath, String encode, String geoType, String shpKey, List<ShpFiled> attrKeys, List<Map<String, Object>> data) {<!-- -->
WKTReader reader = new WKTReader();
try {<!-- -->
//Create shapefile object
File file = new File(shpPath);
Map<String, Serializable> params = new HashMap<>();
params.put(ShapefileDataStoreFactory.URLP.key, file.toURI().toURL());
ShapefileDataStore ds = (ShapefileDataStore) new ShapefileDataStoreFactory().createNewDataStore(params);
//Define graphic information and attribute information
SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
tb.setCRS(DefaultGeographicCRS.WGS84);
tb.setName("sx_test");
tb.add("the_geom", getClass(geoType));
for (ShpFiled field : attrKeys) {<!-- -->
tb.add(field.getFiledname().toUpperCase(), getClass(field.getType()));
}
ds.createSchema(tb.buildFeatureType());
//Set encoding
Charset charset = Charset.forName(encode);
ds.setCharset(charset);
//Set Writer
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = ds.getFeatureWriter(ds.getTypeNames()[0], Transaction.AUTO_COMMIT);
//Write file information
for (int i = 0; i < data.size(); i + + ) {<!-- -->
SimpleFeature feature = writer.next();
Map<String, Object> row = data.get(i);
Geometry geom = reader.read(row.get(shpKey).toString());
feature.setAttribute("the_geom", geom);
for (ShpFiled field : attrKeys) {<!-- -->
if (row.get(field.getFiledname()) != null) {<!-- -->
feature.setAttribute(field.getFiledname().toUpperCase(), row.get(field.getFiledname()));
} else {<!-- -->
feature.setAttribute(field.getFiledname().toUpperCase(), null);
}
}
}
writer.write();
writer.close();
ds.dispose();
//Add to compressed file
//zipShapeFile(shpPath);
} catch (IOException e) {<!-- -->
e.printStackTrace();
}catch (Exception e) {<!-- -->
e.printStackTrace();
}
}
shp new data
Data preparation
{<!-- -->filename:"D:\gisdata\gp\sx_qxzd.shp",list:[{<!-- -->'name':' dfs','geom': 'POINT(108.555 34.645)'}]}
Start adding
/**
* Add data to shp file
*
* @param path file path
* @param datalist space and attribute data
*/
public static void addFeature(String path, List<Map<String, Object>> datalist,String code) {<!-- -->
ShapefileDataStore dataStore = null;
File file = new File(path);
try {<!-- -->
dataStore = new ShapefileDataStore(file.toURL());
Charset charset = Charset.forName(code);
dataStore.setCharset(charset);
String typeName = dataStore.getTypeNames()[0];
SimpleFeatureStore store = (SimpleFeatureStore) dataStore.getFeatureSource(typeName);
SimpleFeatureType featureType = store.getSchema();
// Get the field list
List<String> fileds = getFileds(featureType);
// System.out.println(fileds.toString());
// Create Features
List<SimpleFeature> list = new ArrayList<SimpleFeature>();
WKTReader reader = new WKTReader();
for (Map<String, Object> data : datalist) {<!-- -->
SimpleFeatureBuilder build = new SimpleFeatureBuilder(featureType);
if (data.get("geom") != null) {<!-- -->
Geometry geometry = reader.read(data.get("geom").toString());
build.add(geometry);
}else {<!-- -->
build.add(null);
}
for (String filed : fileds) {<!-- -->
Object object = data.get(filed);
build.add(object);
}
SimpleFeature feature = build.buildFeature(null);
list.add(feature);
}
SimpleFeatureCollection collection = new ListFeatureCollection(featureType, list);
Transaction transaction = new DefaultTransaction("Adding");
store.setTransaction(transaction);
try {<!-- -->
store.addFeatures(collection);
transaction.commit();
System.out.println("============addFeature=====done=====");
} catch (Exception eek) {<!-- -->
eek.printStackTrace();
transaction.rollback();
}
} catch (MalformedURLException e) {<!-- -->
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {<!-- -->
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ParseException e) {<!-- -->
// TODO Auto-generated catch block
e.printStackTrace();
}
}
shp update data
Data preparation
{<!-- -->filename required: "D:\gisdata\gp\sx_qxzd.shp",list:[{<!-- --> 'name':'dfs','geom': 'POINT(108.555 34.645)'},where:'FID_1=425']}
Start update
/**
* Update shp file data
*
* @param path file path
* @param datalist space and attribute data
*/
public static void updateFeature(String path, List<Map<String, Object>> datalist,String code) {<!-- -->
ShapefileDataStore dataStore = null;
File file = new File(path);
Transaction transaction = new DefaultTransaction("handle");
try {<!-- -->
dataStore = new ShapefileDataStore(file.toURL());
Charset charset = Charset.forName(code);
dataStore.setCharset(charset);
String typeName = dataStore.getTypeNames()[0];
SimpleFeatureStore store = (SimpleFeatureStore) dataStore.getFeatureSource(typeName);
// Get the field list
SimpleFeatureType featureType = store.getSchema();
List<String> fileds = getFileds(featureType);
store.setTransaction(transaction);
WKTReader reader = new WKTReader();
for (Map<String, Object> data : datalist) {<!-- -->
\t\t\t\t
Filter filter = null;
if (data.get("where") != null) {<!-- -->
filter = ECQL.toFilter(data.get("where").toString());
}
Object[] objs = new Object[] {<!-- -->};
String[] str = new String[] {<!-- -->};
if (data.get("geom") != null) {<!-- -->
Geometry geometry = reader.read(data.get("geom").toString());
str = add(str, "the_geom");
objs = add(objs, geometry);
}
for (String stri : fileds) {<!-- -->
if (data.get(stri) != null) {<!-- -->
str = add(str, stri);
objs = add(objs, data.get(stri));
}
}
store.modifyFeatures(str, objs, filter);
}
transaction.commit();
System.out.println("========updateFeature====end====");
} catch (Exception eek) {<!-- -->
eek.printStackTrace();
try {<!-- -->
transaction.rollback();
} catch (IOException e) {<!-- -->
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
shp remove data
Data preparation
{<!-- -->filename:"D:\gisdata\gp\sx_qxzd.shp",ids:[2,5,6],filed:"id"}
Start removal
/**
* Remove data in shp
* @param path file path
* @param ids field value array
* @param filed field name
*/
public static void removeFeature(String path, List<String>ids,String filed,String code){<!-- -->
ShapefileDataStore dataStore = null;
File file = new File(path);
Transaction transaction = new DefaultTransaction("handle");
try {<!-- -->
dataStore = new ShapefileDataStore(file.toURL());
Charset charset = Charset.forName(code);
dataStore.setCharset(charset);
String typeName = dataStore.getTypeNames()[0];
SimpleFeatureStore store = (SimpleFeatureStore) dataStore.getFeatureSource(typeName);
store.setTransaction(transaction);
\t\t\t
Filter filter = null;
if(ids.size()>0) {<!-- -->
String join = filed + " in (" + StringUtils.join(ids,",") + ")";
System.out.println(join);
filter = ECQL.toFilter(join);
}
if(filter!=null) {<!-- -->
\t\t \t
store.removeFeatures(filter);
transaction.commit();
System.out.println("======removeFeature== done ========");
}
\t\t
} catch (Exception eek) {<!-- -->
eek.printStackTrace();
try {<!-- -->
transaction.rollback();
} catch (IOException e) {<!-- -->
// TODO Auto-generated catch block
e.printStackTrace();
}
\t
}
}