最赞回答 / allenwhm
上一个回答者File类大小写误打了,还有可以检查一下导入的包是不是对的。Path file = new File("D:/download/qrcode/img.png").toPath();
import java.io.File; import java.nio.file.Path;
2018-08-23
最新回答 / qq_卍_23
//解决中文乱码function toUtf8(str) { var out, i, len, c; out = ""; len = str.length; for (i = 0; i < len; i++) { c = str.charCodeAt(i); if ((c >= 0x0001) && (c <= 0x007F)) { out += str.charAt(i); } el...
2018-08-06
最赞回答 / _迷醉
//定义二维码的参数 HashMap hints = new HashMap(); //hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M); hints.put(EncodeHintType.MARGIN, 2); try { contents = new String(contents.getBytes("U...
2018-07-16