//方法
//滑动条
// left: 37, up: 38, right: 39, down: 40,
// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
var keys = [37, 38, 39, 40];
function preventDefault(e) {
e = e || window.event;
if (e.preventDefault)
e.preventDefault();
e.returnValue = false;
}
function keydown(e) {
for (var i = keys.length; i--;) {
if (e.keyCode === keys[i]) {
preventDefault(e);
return;
}
}
}
function wheel(e) {
preventDefault(e);
}
function disable_scroll() {
if (window.addEventListener) {
window.addEventListener('DOMMouseScroll', wheel, false);
}
window.onmousewheel = document.onmousewheel = wheel;
document.onkeydown = keydown;
}
function enable_scroll() {
if (window.removeEventListener) {
window.removeEventListener('DOMMouseScroll', wheel, false);
}
window.onmousewheel = document.onmousewheel = document.onkeydown = null;
}
//判断是否微信浏览器打开
function isWeiXin(){
var ua = window.navigator.userAgent.toLowerCase();
if(ua.match(/MicroMessenger/i) == 'micromessenger'){
return true;
}else{
return false;
}
}
//调用
if(isWeiXin()){
$('body').bind("touchmove",function(e){
e.preventDefault();
});
}else{
disable_scroll();
}
if(isWeiXin()){
$("body").css("overflow-y", "inherit");
$("body").css("position", "inherit");
$("body").unbind("touchmove");
}else{
enable_scroll();
}