using JavaCode.cs;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Diagnostics;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace JavaCode
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{
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public partial class FrmMyBatisPlus : Form
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{
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#region 成员变量+构造函数
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string baseDir = AppDomain.CurrentDomain.BaseDirectory;
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private PostgreHelper _dbHelper;
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private List<TabInfo> _list;
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public FrmMyBatisPlus()
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{
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InitializeComponent();
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}
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private void FrmMyBatisPlus_Load(object sender, EventArgs e)
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{
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_dbHelper = new PostgreHelper(DbEnum.langfang);
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}
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#endregion
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#region 查询表结构：135502,69701 29257,20582
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private void btnReadTab_Click(object sender, EventArgs e)
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{
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try
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{
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string tabName = this.txtTabPre.Text.Trim();
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string tabFilter = string.IsNullOrEmpty(tabName) ? "" : string.Format("and c.relname like '{0}%'", tabName);
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string sql = string.Format("select c.relname \"tab\", cast(obj_description(c.oid) as varchar) \"desc\", a.attnum \"num\", a.attname \"col\", t.typname \"type\", d.description \"bak\" from pg_attribute a left join pg_description d on d.objoid = a.attrelid and d.objsubid = a.attnum left join pg_class c on a.attrelid = c.oid left join pg_type t on a.atttypid = t.oid where a.attnum >= 0 and reltype>0 and relnamespace in ({0}) {1} order by c.relname desc, a.attnum asc", this.txtNS.Text.Trim(), tabFilter);
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DataTable dt = _dbHelper.GetDataTable(sql, null);
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_list = ModelHandler.FillModel<TabInfo>(dt);
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if (_list == null || _list.Count == 0)
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{
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MessageBox.Show("没有查询到数据！");
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return;
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}
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List<string> tabList = new List<string>();
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foreach (TabInfo ti in _list)
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{
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if (!tabList.Contains(ti.tab))
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{
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tabList.Add(ti.tab);
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}
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}
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this.tabList.DataSource = tabList;
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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private void btnAll_Click(object sender, EventArgs e)
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{
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for (int i = 0; i < this.tabList.Items.Count; i++)
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{
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this.tabList.SetSelected(i, true);
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}
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}
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private void btnAnti_Click(object sender, EventArgs e)
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{
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for (int i = 0; i < this.tabList.Items.Count; i++)
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{
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bool flag = this.tabList.GetSelected(i);
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this.tabList.SetSelected(i, !flag);
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}
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}
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private void btnNone_Click(object sender, EventArgs e)
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{
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for (int i = 0; i < this.tabList.Items.Count; i++)
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{
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this.tabList.SetSelected(i, false);
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}
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}
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private void tabList_SelectedIndexChanged(object sender, EventArgs e)
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{
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string tab = this.tabList.SelectedItem as string;
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List<TabInfo> tabs = (from p in _list where p.tab == tab orderby p.num select p).ToList<TabInfo>();
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this.dgvTab.DataSource = new BindingList<TabInfo>(tabs);
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if (tabs != null && tabs.Count > 1)
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{
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this.dgvTab.Rows[1].Selected = true;
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this.dgvTab.CurrentCell = this.dgvTab.Rows[1].Cells[0];
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}
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}
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#endregion
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#region 按钮事件
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private void btnGeneMapper_Click(object sender, EventArgs e)
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{
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try
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{
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string path = Path.Combine(baseDir, "BsGenerate\\Mapper");
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List<string> names = GetTabList();
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foreach (string name in names)
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{
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List<TabInfo> tabs = GetTabInfo(name);
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GenerateMapper(path, name, tabs);
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}
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OpenFolder(path);
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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private void btnGeneEntity_Click(object sender, EventArgs e)
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{
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try
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{
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string path = Path.Combine(baseDir, "BsGenerate\\Entity");
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List<string> names = GetTabList();
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foreach (string name in names)
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{
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List<TabInfo> tabs = GetTabInfo(name);
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GenerateEntity(path, name, tabs);
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}
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OpenFolder(path);
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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private void btnGeneAll_Click(object sender, EventArgs e)
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{
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try
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{
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string mapperPath = Path.Combine(baseDir, "BsGenerate\\Mapper");
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string entityPath = Path.Combine(baseDir, "BsGenerate\\Entity");
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List<string> names = GetTabList();
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foreach (string name in names)
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{
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List<TabInfo> tabs = GetTabInfo(name);
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GenerateMapper(mapperPath, name, tabs);
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GenerateEntity(entityPath, name, tabs);
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}
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string path = Path.Combine(baseDir, "BsGenerate");
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OpenFolder(path);
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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#endregion
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#region 生成 Mapper
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private void GenerateMapper(string path, string name, List<TabInfo> tabs)
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{
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if (!Directory.Exists(path)) Directory.CreateDirectory(path);
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string tabName = this.txtTabNS.Text.Trim() + name;
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string shortName = NameConvert(name, true);
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string mapperNS = this.txtMapperNS.Text.Trim();
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string mapperName = shortName + "Mapper";
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string entityNS = this.txtEntityNS.Text.Trim();
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string entityName = shortName + "Entity";
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string bak = string.IsNullOrWhiteSpace(tabs[0].desc) ? shortName : tabs[0].desc.Replace("表", "");
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string wkt = this.HasGeom(tabs) ?
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" /**\r\n" +
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" * 根据ID查询WKT\r\n" +
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" *\r\n" +
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" * @param gid\r\n" +
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" * @return\r\n" +
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" */\r\n" +
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" @Select(\"select st_astext(geom) geom from " + tabName + " where gid = #{gid}\")\r\n" +
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" String selectWktById(@Param(\"gid\") Integer gid);" : "";
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string xml = File.ReadAllText(Path.Combine(baseDir, "BsTemplate\\Mapper.java"));
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xml = xml
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.Replace("{mapperNS}", mapperNS)
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.Replace("{mapperName}", mapperName)
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.Replace("{entityNS}", entityNS)
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.Replace("{entityName}", entityName)
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.Replace("{wkt}", wkt)
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.Replace("{bak}", bak);
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string fileName = shortName + "Mapper.java";
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File.WriteAllText(Path.Combine(path, fileName), xml);
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}
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#endregion
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#region 生成 Entity
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private void GenerateEntity(string path, string name, List<TabInfo> tabs)
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{
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if (!Directory.Exists(path)) Directory.CreateDirectory(path);
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string tabName = this.txtTabNS.Text.Trim() + name;
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string shortName = NameConvert(name, true);
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string entityNS = this.txtEntityNS.Text.Trim();
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string entityName = shortName + "Entity";
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string bak = string.IsNullOrWhiteSpace(tabs[0].desc) ? shortName : tabs[0].desc.Replace("表", "");
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long uid = (long)Math.Floor((new Random()).NextDouble() * 1000000000000000000D);
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string xml = File.ReadAllText(Path.Combine(baseDir, "BsTemplate\\Entity.java"));
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xml = xml
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.Replace("{entityNS}", entityNS)
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.Replace("{entityName}", entityName)
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.Replace("{bak}", bak)
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.Replace("{tabName}", tabName)
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.Replace("{uid}", uid.ToString());
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StringBuilder sb = new StringBuilder();
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foreach (TabInfo ti in tabs)
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{
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string type = GetJavaType(ti);
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if (ti.col == "gid") sb.Append("\r\n @TableId(type = IdType.AUTO)");
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if (ti.col == "geom") sb.Append("\r\n @TableField(select = false)");
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if (ti.col == "class")
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{
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sb.Append("\r\n @TableField(value = \"class\")");
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ti.col = "clazz";
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}
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string colName = NameConvert(ti.col, false);
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sb.Append("\r\n private " + type + " " + colName + ";\r\n");
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}
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sb.Append("\r\n public " + entityName + "() {\r\n }\r\n");
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foreach (TabInfo ti in tabs)
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{
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string type = GetJavaType(ti);
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string col1 = NameConvert(ti.col, true);
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string col2 = NameConvert(ti.col, false);
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sb.Append("\r\n public " + type + " get" + col1 + "() {\r\n return " + col2 + ";\r\n }\r\n");
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sb.Append("\r\n public void set" + col1 + "(" + type + " " + col2 + ") {\r\n this." + col2 + " = " + col2 + ";\r\n }\r\n");
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}
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sb.Append("}\r\n");
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sb.Insert(0, xml);
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string fileName = shortName + "Entity.java";
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File.WriteAllText(Path.Combine(path, fileName), sb.ToString());
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}
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#endregion
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#region 公共方法
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private List<string> GetTabList()
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{
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List<string> list = new List<string>();
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for (int i = 0, c = this.tabList.SelectedItems.Count; i < c; i++)
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{
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string item = this.tabList.SelectedItems[i] as String;
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if (!string.IsNullOrEmpty(item))
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{
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list.Add(item);
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}
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}
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return list;
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}
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private List<TabInfo> GetTabInfo(string name)
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{
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List<TabInfo> tabs = (from p in _list where p.tab == name orderby p.num select p).ToList<TabInfo>();
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return tabs;
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}
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private static string NameConvert(string name, bool firstUpper)
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{
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string[] strs = name.Split(new char[] { '_' });
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string str = "";
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for (int i = 0, c = strs.Length; i < c; i++)
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{
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if (i == 0 && !firstUpper)
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{
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str += strs[i];
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continue;
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}
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str += ToUpperFirst(strs[i]);
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}
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return str;
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}
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public static string ToUpperFirst(string str)
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{
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return Regex.Replace(str, @"^\w", t => t.Value.ToUpper());
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}
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private string GetJavaType(TabInfo ti)
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{
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switch (ti.type)
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{
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case "timestamp":
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return "Timestamp";
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case "float4": // float
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return "Float";
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case "float8": // double
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return "Double";
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case "bool": // boolean
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return "Boolean";
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case "numeric":
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return "BigDecimal";
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case "int8": // long
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return "Long";
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case "int2":
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case "int4": // int
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return "Integer";
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default:
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return "String";
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}
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}
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private bool HasGeom(List<TabInfo> tabs)
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{
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foreach (TabInfo ti in tabs)
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{
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if (ti.col == "geom") return true;
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}
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return false;
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}
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private static void OpenFolder(string folderPath)
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{
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if (string.IsNullOrEmpty(folderPath)) return;
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Process process = new Process();
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ProcessStartInfo psi = new ProcessStartInfo("Explorer.exe");
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psi.Arguments = folderPath;
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process.StartInfo = psi;
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try
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{
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process.Start();
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}
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catch (Exception ex)
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{
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throw ex;
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}
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finally
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{
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process.Close();
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}
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}
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private String QueryPrimaryKey(string tab)
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{
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string sql = string.Format("select pg_attribute.attname as colname from pg_constraint inner join pg_class on pg_constraint.conrelid = pg_class.oid inner join pg_attribute on pg_attribute.attrelid = pg_class.oid and pg_attribute.attnum = pg_constraint.conkey[1] inner join pg_type on pg_type.oid = pg_attribute.atttypid where pg_class.relname = '{0}' and pg_constraint.contype='p'", tab);
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object obj = _dbHelper.GetScalar(sql, null);
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return obj == null ? null : obj.ToString();
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}
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#endregion
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}
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}
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