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Sy
stem;
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using Sy
stem.Collections.Generic;
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using Sy
stem.Text;
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using Sy
stem.Data;
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using Sy
stem.Data.
sqlite;
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using Sy
stem.Data.Common;
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namespace WM
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{
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class sqlHelper
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{
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//建库
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public DbConnection getCon()
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{
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DbConnection con =
new sqliteConnection();
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con.ConnectionString =
"Data Source=WebMan.db";
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return con;
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}
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//建表
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public
void CreateWebTable(DbConnection con)
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{
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con.
open();
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try
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{
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using (DbCommand com = con.CreateCommand())
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{
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com.CommandText =
"create table webtable( id integer primary key,username varchar(20),qiyename varchar(50),webname varchar(50),tel varchar(20),lianxiren varchar(20),fufeidate varchar(10),daoqidate varchar(10),price varchar(10),status varchar(10),yewuyuan varchar(15),mark varchar(50))";
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com.ExecuteNonQuery();
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com.CommandText =
"create table yewutable( id integer primary key,num varchar(20),workername varchar(20),gender varchar(5),age varchar(5),bear varchar(10),fromwhere varchar(60),mark varchar(50))";
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com.ExecuteNonQuery();
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com.CommandText =
"create table usertable( id integer primary key,pwd varchar(20))";
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com.ExecuteNonQuery();
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}
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}
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catch (Exception)
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{
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}
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}
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//查询
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public DataSet Query(DbConnection con,
string sql)
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{
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DataSet ds =
new DataSet();
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DbDataAdapter da =
new sqliteDataAdapter(
sql,(
sqliteConnection)con);
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da.Fill(ds);
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return ds;
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}
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//其它操作
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public
int Control(DbConnection con,
string sql)
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{
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int i = 0;
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using (DbCommand com = con.CreateCommand())
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{
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com.CommandText =
sql;
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i = com.ExecuteNonQuery();
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}
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return i;
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}
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}
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}
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