function animateBian(element, json, fn) {
clearInterval(element.timeId);
element.timeId = setInterval(function () {
var flag = true;
for (var attr in json) {
if (attr == “opacity”) {
var current = parseInt(getStyle(element, attr) * 100);
var target = json[attr] * 100;
var step = (target - current) / 10;
step = step > 0 ? Math.ceil(step) : Math.floor(step)
current += step;
console.log(current);
element.style[attr] = current / 100;
} else if (attr == "z-index") {
var current = parseInt(getStyle(element, attr));
var target = json[attr];
var step = (target - current) / 10;
step = step > 0 ? Math.ceil(step) : Math.floor(step)
current += step;
console.log(current);
element.style[attr] = current;
} else {
var current = parseInt(getStyle(element, attr));
var target = json[attr];
var step = (target - current) / 10;
step = step > 0 ? Math.ceil(step) : Math.floor(step)
current += step;
element.style[attr] = current + "px";
}
if (current != target) {
flag = false;
}
}
if (flag) {
clearInterval(element.timeId);
//所有属性达到目标后才调用
if (fn) {
fn();
}
}
//测试代码
//console.log("目标位置" + target + ",当前位置" + current + ",每次移动的步数" + step);
}, 20)
}