Ajax+PHP Learning and Practicing Part 2 Example_PHP Tutorial

Effect 1. When the mouse is placed on a certain day, if there are memos on that day, it will be displayed, as shown below:

Copy code The code is as follows:

function checkfortasks (thedate, e){
//Find the taskbox corresponding

in the page and set it to be visible
theObject = document.getElementById("taskbox" );
theObject.style.visibility = "visible";
//Initialize taskbox position
var posx = 0;
var posy = 0;
//Position taskbox position to the mouse position
posx = e.clientX + document.body.scrollLeft;
posy = e.clientY + document.body.scrollTop;
theObject.style.left = posx + "px";
theObject. style.top = posy + "px";
//Set the PHP request page
serverPage = "taskchecker.php?thedate=" + thedate;
//Set the PHP return data replacement position
objID = "taskbox";
var obj = document.getElementById(objID);
//Send a request and load the return data
xmlhttp.open("GET", serverPage);
xmlhttp.onreadystatechange = function(){
if (xmlhttp.readyState == 4 && xmlhttp.status == 200){
obj.innerHTML = xmlhttp.responseText;
}
}
xmlhttp.send( null);
}

Effect 2. When the mouse clicks to enter a name on a certain day, the system will automatically search whether the name exists, and can fill in the name box by selection, as shown in the figure:

Copy code The code is as follows:

function autocomplete (thevalue, e){
// Position the

of the autocompletediv (the label that displays the retrieved name) in the page
theObject = document.getElementById("autocompletediv");
//Set to visible
theObject.style.visibility = "visible ";
theObject.style.width = "152px";
//Set the retrieval tag position
var posx = 0;
var posy = 0;

posx = (findPosX (document.getElementById("yourname")) + 1);
posy = (findPosY (document.getElementById("yourname")) + 23);

theObject.style.left = posx + " px";
theObject.style.top = posy + "px";
//Set the event to keyboard input
var theextrachar = e.which;

if (theextrachar == undefined){
theextrachar = e.keyCode;
}
//Set the location to load the search list
var objID = "autocompletediv";

//Set the PHP request page , and pass the name entered by the user by value (taking into account the Backspace function)
if (theextrachar == 8){
if (thevalue.length == 1){
var serverPage = "autocomp. php";
}
else{
var serverPage = "autocomp.php" + "?sstring=" + thevalue.substr(0, (thevalue.length -1));
}
}
else{
var serverPage = "autocomp.php" + "?sstring=" + thevalue + String.fromCharCode(theextrachar);
}
//Send the request and load the return data
var obj = document.getElementById(objID);
xmlhttp.open("GET", serverPage);
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
obj.innerHTML = xmlhttp.responseText;
}
}
xmlhttp.send(null);
}

File package download

http://www.bkjia.com/PHPjc/320812.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/320812.htmlTechArticleEffect 1. When the mouse is placed on a certain day, if there are memos on that day, it will be displayed, as shown below : Copy the code as follows: function checkfortasks (thedate, e){ //Find the page...

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