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HomeBackend DevelopmentPHP Tutorial利用js调用后台php进行数据处理原码

該方法已經屬於過時方法,其中關鍵的地方也從論壇上得來的,我只是把它消化吸收后重新写了更全面的出来。公布出來只是希望更多的新手能從中學到一些東西。如果你對該代碼有任何意見可以留言,但請勿進行人身攻擊,我是一個菜鳥只能寫出這樣的東西,每个老鸟都有这样的过程。

鉴于时间问题,代碼的提交部分使用的是传统的表单POST,如果您喜欢可以根据LOAD过程自行加上相应的SCRipT,不过好像只
能用GET了。聽說xml可以實現真正的無刷新,如果誰手上有希望能借來看看。

在此感謝QQ群組中蓝劍雪狐和shelly水在JS上給予的幫助,也新手們能把自己寫的功能代碼貼出來大家一起來學習研究。

最後附上演示地址:http://lfox0002.dns0755.net/text_input.php 請喜歡HACK他人機器的朋友們手下留情,附上演示是為了讓朋友們能更快了解代碼。


input.php[HTML] 接受用户输入数据。


PHP代码:----------------------------------------------

/*
             申     明
         ------------------------------
  该演示文件详细描述了利用JS+PHP对数据库进行類似無刷新读出写入的方法
 
                      2004年02月14日
                         By L.Fox
                               */

header("Cache-Control: no-store, no-cache,must-revalidate");  //這兩行可以取消,把文件存成HTML
echo $_POST["name1"];                      //我是為了?#123;試方便才加的。
?>



根据编号从MySQL提取数据进行编辑并回存[演示]


<script><br/>var objInput = null;<br/>var objTd = null;<br/>var num =null;<br/>function AutoEdit(obj,id)<br/>{<br/>  if (objInput == null)<br/>  {<br/>    objTd = obj;<br/>    obj.innerHTML = "<input size=\"10\" maxlength=\"10\" type=\"text\" value=\"" + obj.innerText + "\" <br/>id=\"objInput\" onblur=\"objTd.innerText=this.value;LoadData(objTd.innerText,num);objInput=null;\" style=\"overflow:<br/>visible;border:none;background-color:#EFEFEF\">";<br/>    objInput = document.getElementById("objInput");<br/>    objInput.focus();<br/>  }<br/>} <p>function LoadData(LoadIndex,LoadObj)<br/>{<br/> var LoadFileName="load.php?action=" + LoadIndex + "&num=" + LoadObj;<br/> document.getElementById("LoadDataSrc").src = LoadFileName;<br/>}<br/>function OutPutData(obj)<br/>{<br/>  if (form1.num1.value.length<1){ alert("请输入数量1"); return false;}<br/>  if (form1.num2.value.length<1){ alert("请输入数量2"); return false;}<br/>  if (document.getElementById("name1").innerHTML.length<1){ alert("name1空值"); return false;}<br/>  if (document.getElementById("name2").innerHTML.length<1){ alert("name2空值"); return false;}<br/>  obj.innerHTML="<input type=\"hidden\" name=\"name1\" value=\"" + document.getElementById("name1").innerHTML + "\">";<br/>  obj.innerHTML+="<input type=\"hidden\" name=\"name2\" value=\"" + document.getElementById("name2").innerHTML + "\">";<br/>  obj.innerHTML+="<input type=\"hidden\" name=\"type1\" value=\"" + document.getElementById("type1").innerHTML + "\">";<br/>  obj.innerHTML+="<input type=\"hidden\" name=\"type2\" value=\"" + document.getElementById("type2").innerHTML + "\">";<br/>  obj.innerHTML+="<input type=\"hidden\" name=\"date1\" value=\"" + document.getElementById("date1").innerHTML + "\">";<br/>  obj.innerHTML+="<input type=\"hidden\" name=\"date2\" value=\"" + document.getElementById("date2").innerHTML + "\">";<br/>  obj.innerHTML+=form1.submit();<br/>}<br/>function postdata()<br/>{<br/> form1.submit();  <br/>}<br/></script>




 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 


------------------------------------------------------

LOAD.php

PHP代码:-----------------------------------------------

header("Cache-Control: no-store, no-cache,must-revalidate");
include("obj/financial_obj_free.inc");      //这个文件里的内容是连接MYSQL的语句。
$str=$_GET["action"];
$num=$_GET["num"];
if ($str=="OutPutData") OutPutData();
else
  {
   linkdata("financial",1);
   $sql="select * from table where id='$str'";
   if ($query=mysql_query($sql))
    {
     $temdata=mysql_fetch_row($query);     //看看是不是空的,如果是就附上值以免JS报错。
     if (strlen($temdata[2])       $temdata[2]=htmlspecialchars($temdata[2]);
     if (strlen($temdata[3])       $temdata[3]=htmlspecialchars($temdata[3]);
     if (strlen($temdata[5])       $temdata[5]=htmlspecialchars($temdata[5]);
    }
   else
    {
     $temdata[2]=$temdata[3]=$temdata[5]="查询失败";
    }
   switch ($num)  //这个主要是用于检查是从第几列(行)传过来的。注意变量值要与input的id值对应好.否则出错
    {
     case 1:
      $diva="name1";
      $divb="type1";
      $divc="date1";
     break;
     case 2:
      $diva="name2";
      $divb="type2";
      $divc="date2";
     break;
     default:
      $diva="name1";
      $divb="type1";
      $divc="date1";
     break;
    }
     //确定节点,输出$temdata[X]到节点$divX;
   echo "document.getElementById('".$diva."').innerHTML='".$temdata[2]."';";
   echo "document.getElementById('".$divb."').innerHTML='".$temdata[3]."';";
   echo "document.getElementById('".$divc."').innerHTML='".$temdata[5]."';";
  }


function OutPutData() //这下面如果改成SQL语句就可以写进数据库
{
  echo "输出的数据如下,改成SQL语句然后就可以保存下来";
  echo "编号1=".$_POST["name1"]."
";
  echo "编号2=".$_POST["name2"]."
";
  echo "名称1=".$_POST["type1"]."
";
  echo "名称2=".$_POST["type2"]."
";
  echo "日期1=".$_POST["date1"]."
";
  echo "日期2=".$_POST["date2"]."
";
  echo "数量1=".$_POST["num1"]."
";
  echo "数量2=".$_POST["num2"]."
"; 
  echo "返回";
}
?>

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