日期:2014-05-17  浏览次数:20735 次

高分求教:文本框一边输入一边提交
在jsp页面中文本框一边输入一边提交,同时光标在文本框中,谢谢了。。
最好有个例子。。。



------解决方案--------------------
探讨

ajax 至于是什么时候提交根据你的需求, 写js函数, 在你的文本框合适的事件里调用.

------解决方案--------------------
HTML code

javascript 输入框自动提示

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
.mouseOut{
  background:#708090;
  color:#fffafa;
}
.mouseOver{
  background:#fffafa;
  color:#000000;
}
</style>
<script type="text/javascript">
var completeDiv;
var inputField;
var nameTable;
var nameTableBody;
var selectIndex;
var tempInputValue;

var suggest = new Array();
suggest[0] = "ab";
suggest[1] = "abc";
suggest[2] = "abcd";

function initVars(){
    inputField = document.getElementById("names");
    nameTable = document.getElementById("name_table");
    completeDiv = document.getElementById("popup");
    nameTableBody = document.getElementById("name_table_body");
}
function findNames(){
    var eventkey = window.event.keyCode;
    initVars();
    if(eventkey == 27){
        esc();
    }else if(eventkey == 40 || eventkey == 38){
        changeSelect(eventkey);
    }else{   
        selectIndex = -1; 
        clearNames();
        var inputValue = inputField.value;
        tempInputValue = inputValue;
        if(inputValue == null || inputValue == "")
            return;
    
        for(var i=0; i<suggest.length; i++){
            if(suggest.indexOf(inputValue) == 0){
                //alert(suggest.indexOf(inputValue));
                setNames(inputValue, suggest);
            }
        }
    }
    
}
function esc(){
    while(nameTableBody.childNodes.length > 0){
        nameTableBody.removeChild(nameTableBody.firstChild);
    }
    completeDiv.style.border = "0px";
    inputField.value = tempInputValue;
}
function changeSelect(eventkey){
    var suggestSize = nameTableBody.childNodes.length;
    if(suggestSize == null || suggestSize == 0)
        return;
    if(eventkey == 40 && selectIndex < suggestSize - 1)
        selectIndex++;
    else if(eventkey == 38 && selectIndex > -1)
        selectIndex--;
    
    for(var i=0; i<suggestSize; i++){
        if(selectIndex == -1){
            nameTableBody.childNodes.style.backgroundColor = "#ffffff";
            nameTableBody.childNodes.style.color = "#000000";
            inputField.value = tempInputValue;
        }else if(i == selectIndex){
            nameTableBody.childNodes.style.backgroundColor = "#000000";
            nameTableBody.childNodes.style.color = "#ffffff";
            inputField.value = nameTableBody.childNodes.childNodes[0].innerHTML;
        }
        else{
            nameTableBody.childNodes.style.backgroundColor = "#ffffff";
            nameTableBody.childNodes.style.color = "#000000";
        }
    }
}
function clearNames(){
    var ind = nameTableBody.childNodes.length;
    for(var i=ind-1; i>=0; i--){
        nameTableBody.removeChild(nameTableBody.childNodes);
    }
    completeDiv.style.border = "none";
}
function setNames(inputValue, txt){
    setOffsets();
    
    var row, cell, txtNode;
        var nextNode = txt;
        row = document.createElement("tr");
        cell = document.createElement("td");
        
        cell.onmouseout = function(){this.className = 'mouseOver';};
        cell.onmouseover = function(){this.className = 'mouseOut'