/* Linksprite */ #include <SoftwareSerial.h> #include <Ethernet.h> #include <SPI.h> #define ReadLen 0x30 byte mac[] = { 0xDE, 0xAC, 0xEA, 0xEF, 0xFF, 0xE2 }; // if you don't want to use DNS (and reduce your sketch size) // use the numeri
input type="file" 在js中判断文件上传类型 function onSubmit(){ var form1 = document.forms[0]; var file = document.forms[0].getfile.value; if (file == null||file == ""){ alert("请选择要上传的图片!"); return false; } if (file.lastIndexOf('.')==-1)