Java写的二维码 为什么Path不能导包？

Question

package com.xaccp.test;

import java.io.File;
import java.util.HashMap;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

public class Test {

public static void main(String[] args) {
    int width = 300;
    int height = 300;
    String format = "png";
    String content = "王豪";

    HashMap hints = new HashMap();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
    hints.put(EncodeHintType.MARGIN, 2);

    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height,hints);

        Path file = new File("E：/");
        MatrixToImageWriter.writeToPath(bitMatrix, format, content,file);
    } catch (WriterException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

}

Answer 1

Path file = new File("E：/"); 路径是全角的冒号