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Add support for Blob type messages #17

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Add support for Blob type messages #17

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26 changes: 25 additions & 1 deletion Plugins/WebSocket.jslib
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,31 @@ var LibraryWebSocket = {
if (webSocketState.onMessage === null)
return;

if (ev.data instanceof ArrayBuffer) {
if (ev.data instanceof Blob)
{
var blob = event.data;

//通过FileReader读取数据
var reader = new FileReader();

//以下这两种方式我都可以解析出来，因为Blob对象的数据可以按文本或二进制的格式进行读取
reader.readAsArrayBuffer(blob);
//reader.readAsText(blob, 'utf8');

reader.onload = function () {
var receive_data = this.result;//这个就是解析出来的数据
console.log("[JSLIB WebSocket] message type: ", typeof receive_data, receive_data)
var dataBuffer = new Uint8Array(receive_data);
var buffer = _malloc(dataBuffer.length);
HEAPU8.set(dataBuffer, buffer);
try {
Module.dynCall_viii(webSocketManager.onMessage, instanceId, buffer, dataBuffer.length)
}
finally { _free(buffer) }
}

}
else if (ev.data instanceof ArrayBuffer) {

var dataBuffer = new Uint8Array(ev.data);

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