xml2js.parseString(profiles, function (err, obj) { profiles = obj; profiles.felix.fullname = "Felix Geisendörfer"; console.log(profiles.felix); }); xml2js.parseString接受XML(此时保存在profiles变量中)并将其组装成一个对象,作为其回调中的obj参数传递。 它是如何工作的... JavaScript 对象是...
char2 = array[i++]; out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F)); break; case 14: // 1110 xxxx 10xx xxxx 10xx xxxx char2 = array[i++]; char3 = array[i++]; out += String.fromCharCode(((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) |...
.query(sqlString, values, callback) sqlString-要执行的SQL语句 values-{Array},要应用到查询占位符的值 callback-回调函数,其形式为function (error, results, fields) {} connection.query('SELECT * FROM `books` WHERE `author` = ?', ['David'], function (error, results, fields) { // error ...
module.exports = function(app) {return new ChatRemote(app);};var ChatRemote = function(app) {this.app = app;this.channelService = app.get('channelService');};/*** Add user into chat channel.** @param {String} uid unique id for user* @param {String} sid server id* @param {Strin...
client_handle = client_obj; } else { client_handle = Undefined(env->isolate()); } // 回调js,client_handle相当于在js层执行new TCP Local<Value> argv[] = { Integer::New(env->isolate(), status), client_handle }; wrap_data->MakeCallback(env->onconnection_string(), arraysize(argv),...
(udpString); // 属性的存取属性 enum PropertyAttribute attributes = static_cast<PropertyAttribute>(ReadOnly | DontDelete); Local<Signature> signature = Signature::New(env->isolate(), t); // 新建一个函数模块 Local<FunctionTemplate> get_fd_templ = FunctionTemplate::New(env->isolate(), UDP...
char msg[1024]; jio_snprintf(msg, sizeof msg, "%s: %s", name, ebuf); // Since 'ebuf' may contain a string encoded using // platform encoding scheme, we need to pass // Exceptions::unsafe_to_utf8 to the new_exception method ...
basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_...
string const base64data =base64text.replace('data:image/jpeg;base64','') .replace('data:image/png;base64','');//Strip image type prefix const buffer = Buffer.from(base64data,'base64'); const image = cv.imdecode(buffer); //Image is now represented as Mat // convert Mat to base...
js_options->Get(context, env->env_pairs_string()).ToLocalChecked(); if (!env_v.IsEmpty() && env_v->IsArray()) { Local<Array> env_opt = Local<Array>::Cast(env_v); int envc = env_opt->Length(); CHECK_GT(envc + 1, 0); // Check for overflow. ...