/*
* loadScript 方法
* @param string js路径(支持本地路径以及http与https协议下远程js获取)
* @param function 调用函数
* @return
* 如果第二个参数不存在, load 失败，返回 false 。
* 如果第二个参数不存在, load 成功，则返回 true 。
* 如果第二参数存在，则立即调用内部函数，返回执行结果。
* load的内容将以回调函数参数传入：
* @param bool err 表明是否正常读取内容
* @param function callback 回一个load函数引用
*/
QScriptValue ScriptBinding::loadScript(QScriptContext *context, QScriptEngine *interpreter)
{
QScriptValue path = context->argument(0);
QScriptValue scriptFunc = context->argument(1);
if (context->argumentCount() == 0)
return QScriptValue(false);
if (!path.isString())
return QScriptValue(false);
QString pathStr = path.toString().toLower().trimmed();
QString content = "";
bool err = false;
// 如果是 HTTP 、 HTTPS 则尝试从远端获取源码
if (pathStr.indexOf("http://") == 0 || pathStr.indexOf("https://") == 0 ) {
QNetworkReply* reply;
QNetworkAccessManager* manager = new QNetworkAccessManager();
reply = manager->get(QNetworkRequest(QUrl(pathStr)));
QEventLoop eventLoop;
connect(manager, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));
eventLoop.exec();
QByteArray responseData;
responseData = reply->readAll();
// 通过 Content-Type 来嗅探字节流编码
// 默认为 utf-8 编码
QString charset = QString(reply->rawHeader("Content-Type")).toLower();
QRegExp charsetRegExp("charset=([\\w-]+)\\b");
int pos = charset.indexOf(charsetRegExp);
if (pos > 0) {
if (charsetRegExp.cap().size() < 2) {
charset = "utf-8";
} else {
charset = charsetRegExp.cap(1);
}
} else {
charset = "utf-8";
}
QTextStream stream(responseData);
stream.setCodec(getCodec(charset));
content = QString(stream.readAll());
} else {
QVariant LxHttp::httpRequest(QVariant varMethod, QVariant varUrl , QVariant varPostData)//, QScriptEngine *interpreter
{
enum LxHttpMethod
{
GET,
POST
};
QString url = "";
QString data ="";
LxHttpMethod method = GET;
if (varMethod.isNull() || varUrl.isNull())
{
return QVariant(0);
}
QString arg = varMethod.toString().trimmed().toUpper();
method = (arg == "POST") ? POST : GET;
url = varUrl.toString().trimmed();
if (0 != url.toLower().indexOf("http://"))
{
return QVariant("URIError: URL is not http://");
}
data = varPostData.toString();
QNetworkReply* reply;
QNetworkRequest req;
QNetworkAccessManager* manager = new QNetworkAccessManager();
if (method == POST)
{
// post 数据编码
req.setUrl(QUrl(url));
req.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
reply = manager->post(req, QUrl(data).toEncoded());
} else
{
if (data != "")
{
if (url.indexOf("?") != -1)
{
if (url.lastIndexOf("&") == url.size() - 1)
{
url = url + data;
}
else
{
url = url + "&" + data;
}
}
else
{
url= url + "?" + data;
}
}
reply = manager->get(QNetworkRequest(QUrl(url)));
}
// 开启局部事件循环
QEventLoop eventLoop;
connect(manager, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));
eventLoop.exec();
QByteArray responseData;
responseData = reply->readAll();
QString charset = QString(reply->rawHeader("Content-Type")).toLower();
QRegExp charsetRegExp("charset=([\\w-]+)\\b");
int pos = charset.indexOf(charsetRegExp);
if (pos > 0)
{
if (charsetRegExp.cap().size() < 2)
{
charset = "";
}
else
{
charset = charsetRegExp.cap(1);
}
}
else
{
charset = "";
}
QTextStream stream(responseData);
stream.setCodec(QTextCodec::codecForName(QByteArray("utf-8")));//charset.toLocal8Bit()
return QVariant(QString(stream.readAll()));
}
