使用Java解压缩二进制php打包的float

pack

pack(\"f\", 189.0);

DataInputStream

protected static float readFloat(DataInputStream stream) throws IOException
{
    byte byte0 = stream.readByte();
    byte byte1 = stream.readByte();
    byte byte2 = stream.readByte();
    byte byte3 = stream.readByte();

    int i = (byte3 & 0xff) << 24 | (byte2 & 0xff) << 16 | (byte1 & 0xff) << 8 | byte0 & 0xff; 
    return Float.intBitsToFloat(i);
}