代码实例

Posted 2020-12-18 miaocat

. php 和 mysql 代码实例

query("SELECT CompanyName, City, Country FROM Customers"); $outp = ""; while($rs = $result->fetch_array(MYSQLI_ASSOC)) { if ($outp != "") {$outp .= ",";} $outp .= ‘{"Name":"‘ . $rs["CompanyName"] . ‘",‘; $outp .= ‘"City":"‘ . $rs["City"] . ‘",‘; $outp .= ‘"Country":"‘. $rs["Country"] . ‘"}‘; } $outp =‘{"records":[‘.$outp.‘]}‘; $conn->close(); echo($outp); ?>

2. PHP 和 MS Access 代码实例

open("PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=Northwind.mdb"); $rs = $conn->execute("SELECT CompanyName, City, Country FROM Customers"); $outp = ""; while (!$rs->EOF) { if ($outp != "") {$outp .= ",";} $outp .= ‘{"Name":"‘ . $rs["CompanyName"] . ‘",‘; $outp .= ‘"City":"‘ . $rs["City"] . ‘",‘; $outp .= ‘"Country":"‘. $rs["Country"] . ‘"}‘; $rs->MoveNext(); } $outp =‘{"records":[‘.$outp.‘]}‘; $conn->close(); echo ($outp); ?>

3. ASP.NET, VB 和 MS Access 代码实例
   <%@ Import Namespace="System.IO"%>
   <%@ Import Namespace="System.Data"%>
   <%@ Import Namespace="System.Data.OleDb"%>
   <%
   Response.AppendHeader("Access-Control-Allow-Origin", "*")
   Response.AppendHeader("Content-type", "application/json")
   Dim conn As OleDbConnection
   Dim objAdapter As OleDbDataAdapter
   Dim objTable As DataTable
   Dim objRow As DataRow
   Dim objDataSet As New DataSet()
   Dim outp
   Dim c
   conn = New OledbConnection("Provider=Microsoft.Jet.OLEDB.4.0;data source=Northwind.mdb")
   objAdapter = New OledbDataAdapter("SELECT CompanyName, City, Country FROM Customers", conn)
   objAdapter.Fill(objDataSet, "myTable")
   objTable=objDataSet.Tables("myTable")

outp = ""
c = chr(34)
for each x in objTable.Rows
if outp <> "" then outp = outp & ","
outp = outp & "{" & c & "Name" & c & ":" & c & x("CompanyName") & c & ","
outp = outp & c & "City" & c & ":" & c & x("City") & c & ","
outp = outp & c & "Country" & c & ":" & c & x("Country") & c & "}"
next

outp ="{" & c & "records" & c & ":[" & outp & "]}"
response.write(outp)
conn.close
%>
4. ASP.NET, VB Razor 和 SQL Lite 代码实例
@{
Response.AppendHeader("Access-Control-Allow-Origin", "*")
Response.AppendHeader("Content-type", "application/json")
var db = Database.Open("Northwind");
var query = db.Query("SELECT CompanyName, City, Country FROM Customers");
var outp =""
var c = chr(34)
}
@foreach(var row in query)
{
if outp <> "" then outp = outp + ","
outp = outp + "{" + c + "Name" + c + ":" + c + @row.CompanyName + c + ","
outp = outp + c + "City" + c + ":" + c + @row.City + c + ","
outp = outp + c + "Country" + c + ":" + c + @row.Country + c + "}"
}
outp ="{" + c + "records" + c + ":[" + outp + "]}"
@outp