common.js
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String.prototype.len = function () {
return this.replace(/[^\x00-\xff]/g, "aa").length;
};
String.prototype.trim = function () {
return this.replace(/(^ *)|( *$)/g, "");
};
String.prototype.htmlencode = function () {
return this.replace(/[<>"']+/g, "");
};
String.prototype.encode = function () {
return escape(encodeURIComponent(this));
};
String.prototype.left = function (length) {
if (this.len() > length) {
var _temp = this;
_temp = _temp.replace(/([^\x00-\xff])/g, "$1>");
_temp = _temp.substring(0, length - 2) + "..";
return _temp.replace(/>/g, "");
} else {
return this.toString();
}
};
Element.prototype.show = function () {
this.style.display = "block";
};
Element.prototype.hide = function () {
this.style.display = "none";
};
Element.prototype.center = function (top) {
this.style.left = (_system._scroll().x + _system._zero(_system._client().bw - this.offsetWidth) / 2) + "px";
this.style.top = (top ? top : (_system._scroll().y + _system._zero(_system._client().bh - this.offsetHeight) / 2)) + "px";
};
var _system = {
_client: function () {
return {
w: document.documentElement.scrollWidth,
h: document.documentElement.scrollHeight,
bw: document.documentElement.clientWidth,
bh: document.documentElement.clientHeight
};
},
_scroll: function () {
return {
x: document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft,
y: document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop
};
},
_cover: function (show) {
if (show) {
$("cover").show();
$("cover").style.width = (this._client().bw > this._client().w ? this._client().bw : this._client().w) + "px";
$("cover").style.height = (this._client().bh > this._client().h ? this._client().bh : this._client().h) + "px";
} else {
$("cover").hide();
}
},
_loading: function (text) {
if (text) {
this._cover(true);
$("loading").show();
$("loading_text").innerHTML = text;
$("loading").center();
window.onresize = function () {
_system._cover(true);
$("loading").center();
};
} else {
this._cover(false);
$("loading").hide();
window.onresize = null;
}
},
_toast: function (text, fun) {
$("toast").show();
$("toast").innerHTML = text;
$("toast").center();
setTimeout(function () {
$("toast").hide();
if (fun) {
(fun)();
}
}, 3 * 1000);
},
_ok: function (text, fun) {
$("ok").show();
$("ok_text").innerHTML = text;
$("ok").center();
window.onresize = function () {
$("ok").center();
};
setTimeout(function () {
window.onresize = null;
$("ok").hide();
(fun)();
}, 2 * 1000);
},
_guide: function (show) {
this._cover(true);
$("guide").show();
window.onresize = function () {
_system._cover(true);
};
if (show) {
$("cover").onclick = _system._guideHide;
$("guide_button").hide();
$("guide_button2").show();
} else {
$("guide_button").show();
$("guide_button2").hide();
}
},
_guideHide: function () {
_system._cover();
$("guide").hide();
$("cover").onclick = null;
window.onresize = null;
},
_guide2: function () {
if (_cookie._get("GUIDE2") != "") {
return;
}
this._cover(true);
$("guide2").show();
window.onresize = function () {
_system._cover(true);
};
setTimeout(function () {
_system._cover();
$("guide2").hide();
$("cover").onclick = null;
window.onresize = null;
_cookie._set("GUIDE2", "1", 60 * 60 * 24 * 30);
}, 5 * 1000);
},
_zero: function (n) {
return n < 0 ? 0 : n;
},
_forbidden: function (text) {
return false;
}
};
var _cookie = {
_set: function (name, value, expires) {
if (expires) {
var _end = new Date();
_end.setTime(_end.getTime() + (expires * 1000));
}
document.cookie = name + "=" + escape(value) + (expires ? ";expires=" + _end.toGMTString() : "") + "; path=/";
},
_get: function (name) {
var _cookie = document.cookie;
var _start = _cookie.indexOf(name + "=");
if (_start != -1) {
_start += name.length + 1;
var _end = _cookie.indexOf(";", _start);
if (_end == -1) {
_end = _cookie.length;
}
return unescape(_cookie.substring(_start, _end));
}
return "";
}
};
var _$ = function (url, parameters, loadingMessage, functionName) {
var request = new XMLHttpRequest();
if (loadingMessage != "") {
_system._loading(loadingMessage);
}
var method = "POST";
if (parameters == "") {
method = "GET";
parameters = null;
}
request.open(method, url, true);
request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
request.onreadystatechange = function () {
if (request.readyState == 4) {
if (loadingMessage != "") {
_system._loading();
}
if (request.status == 200) {
if (functionName) {
try {
var json = eval("(" + request.responseText + ")");
eval(functionName + "(json)");
} catch (e) {
}
}
} else {
if (loadingMessage != "") {
_system._toast("发生意外错误，请稍候再试");
}
}
}
};
request.send(parameters);
};
(function () {
if (document.referrer != "") {
_system._guide2();
}
if (location.href.toString().indexOf("pre=true") != -1) {
setInterval(function () {
$("guide3").show();
setTimeout(function () {
$("guide3").hide();
}, 500);
}, 1000);
}
})();