//生成乡镇数据
private void mnuMakeXZQTown_Click(object sender, EventArgs e)
{
if (m_xzqLayer == null)
{
MessageBox.Show("请先加载XZQ数据。");
return;
}
string strXZQTownListPath = Application.StartupPath + "\\tempResult";
string strXZQTownListName = "XZQTownList.txt";
string filepath = strXZQTownListPath + "\\" + strXZQTownListName;
if (!File.Exists(filepath))
{
MessageBox.Show("乡镇对照文件不存在！");
return;
}
//先把XZQ数据拷贝到tempResult
string strOutputPath = Application.StartupPath + "\\tempResult";
string strOutputName = "xzqtown.shp";
IFeatureLayer pFeatLyr = m_xzqLayer as IFeatureLayer;
IFeatureClass pFeatCls = pFeatLyr.FeatureClass;
bool bSuccess = Function.saveFeatureClass(pFeatCls, strOutputPath);
if (!bSuccess)
{
MessageBox.Show("拷贝XZQ数据出错！");
return;
}
else
{
string shpSrcPath = strOutputPath + "\\" + "GPL0.shp";
Function.reNameShpFile(shpSrcPath, strOutputPath + "\\" + strOutputName);
}
//打开XZQTown.shp，增加字段XZQTDM，并填值
string strAddFieldName = "XZQTDM";
IFeatureClass fc_XZQTown = Function.OpenShpFile(strOutputPath, "xzqtown");
Function.AddFiled2Layer(ref fc_XZQTown, "XZQTMC", esriFieldType.esriFieldTypeString, 15);
bSuccess = Function.AddFiled2Layer(ref fc_XZQTown, strAddFieldName, esriFieldType.esriFieldTypeString, 9);
if (!bSuccess)
{
MessageBox.Show("添加XZQTDM字段出错！");
return;
}
//向下的代码没调通
CalculateField fieldcalc = new CalculateField();
fieldcalc.expression = "Left([XZQDM],9)";//可能这个写法不对
//fieldcalc.expression = "Left([XZQDM]";
fieldcalc.expression_type = "VBScript";
IField field = fc_XZQTown.Fields.get_Field(fc_XZQTown.Fields.FindField(strAddFieldName));
fieldcalc.field = field;
fieldcalc.in_table = fc_XZQTown;
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true; //允许运算结果覆盖现有文件
gp.Execute(fieldcalc, null); //执行
//调用Dissolve工具，合并，数据生成到baseData文件夹
Dissolve dissolve = new Dissolve();
dissolve.in_features = fc_XZQTown;
dissolve.dissolve_field = field;
string shpPath = m_prjMan.m_projectPath + "\\" + m_prjMan.m_projectName + "\\" + ProjectManage.m_baseData;
dissolve.out_feature_class = shpPath + "\\xzqtown.shp";
dissolve.statistics_fields = "SUM([KZMJ],SUM[JSMJ],FIRST[XZQTMC]";
gp.Execute(dissolve, null);
MessageBox.Show("乡镇图层生成成功！");
}