e2

滴滴侠,fai抖

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Base64在线工具:

http://www.sojson.com/image2base64.html

 

前台显示需要加上:

<img src="data:image/jpeg;base64,............................................" alt=""/>

...为以下试例strImg内容

package test;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class Base64Image {
    
    public static void main(String[] args) {
        // 测试从Base64编码解码为图片文件
        String strImg = "/9j/4AAQSkZJRgABAQAASABIAAD/4QBMRXhpZgAATU0AKgAAAAgAAgESAAMAAAABAAEAAIdpAAQAAAABAAAAJgAAAAAAAqACAAQAAAABAAAAqqADAAQAAAABAAAA5AAAAAD/7QA4UGhvdG9zaG9wIDMuMAA4QklNBAQAAAAAAAA4QklNBCUAAAAAABDUHYzZjwCyBOmACZjs+EJ+/8AAEQgA5ACqAwEiAAIRAQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKC//EALUQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHwJDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2drh4uPk5ebn6Onq8fLz9PX29/j5+v/EAB8BAAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIBAgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEXGBkaJicoKSo1Njc4OTpDREVGR0hJSlNUVVZXWFlaY2RlZmdoaWpzdHV2d3h5eoKDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uLj5OXm5+jp6vLz9PX29/j5+v/bAEMACQkJCQkJEAkJEBYQEBAWHhYWFhYeJh4eHh4eJi4mJiYmJiYuLi4uLi4uLjc3Nzc3N0BAQEBASEhISEhISEhISP/bAEMBCwwMEhESHxERH0szKjNLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS//dAAQAC//aAAwDAQACEQMRAD8A9dj+7TqSIcYqUcVijlsMFFAx3opEhRQKKAAcVj65rNto1m95dH5VHC/3q2BnsK+efiHrUus65/ZluCUtmMaj1foauKNYLUbq/wATNev2ZbJvssZ6bPvfnVnw38R9Vs7pY9XlNxAeCW+8PfNei+FvAVjpFuJb5EmuD1ZhkD2wa4L4neHbXTLiHULNQiz5VlH97rmrNT3CJ98YIPBWpVX3rjfh3dm88PQ7zkxAx/gDXZ7dvFQZtDgcCoJHigRpZioVf4mqYV438UfEREiaHauRj5pcfoP60JCijJ8RfE3UL13t9H/cQ9A/8ZH9K4KDxBrVtJ5sN5MG/wB9v8a77wH4GTVR/auqrm3H+rT++ff2rvPEvgrRp9Lme0tlhkiRmQxjHPXmrNdCj8OvFtzq6zafqT75oxvVu5XuPwr01cYr5/8AhP8A8h6T/rka9/Ws5kTA0neg9DR3qTNinpS0h6UtQQf/0PYAPSjkUlBrnOMSikp1O4wpy+tNpBREqBla5qKWGl3V4RkxRtxXkfwn0tbjUbjU5RkW6hV/3m/+tXefEifyPDc3/TQqn5ms34SwBNEnm7yS/wAhitImyPSgxryL4v8A/HtY/wC+/wDKvWxkV4Z8W7nfqVrbD+CMn8SaUdxR3O3+F8TR+HFZv43Yj6Zr0DjtWP4csDYaRa25/wCWcYFa3IobBlG8uks4JLh+saj+dfNFpbXXi/xCwBO64cszegr2P4m3v2TQHhXrcOsf5ZJ/Ssj4SaYEtLrU5OshEa/7o5P61SQJaHpWk2kVlZx20QwI1xVbXZxb6TqEp/hib/0GthelcF8S9R+w6A8A+9dkRj6Dk1KJSOM+EA/0++b/AKZKP/Hq9x2ivKPhDCU0y8uP78qr/wB8j/69esLxRMctxuBRgU7igjg1nczEpOaWkxTIP//R9fopOaK59DjFNFFC9z6UIpIXAxS9+KpXNzFaRPLcSKiJj5mrzjUvixZ25Mem25mI/iY4X/GqSLii78Vv+QDH/wBdl/kak8BX9jpnhu3W9uEi37nAY9s15bqev+I/Gcn2URb0Bysca8L9T/jWjb/CvxDMm+Vo4z6E1ojVHp83xG8OQ5xOH/3Qa8m8R+JrPVvE8GpRA/Z4duTjnjrXTRfB6fP7+/XH+yh/qavxfB6zH+vvpG/3UA/mTT0HoXf+FuaJ/wA+8/5D/Gp4viv4cP8ArFmX/gOf61mf8Ke0/wD5/pf++BVc/B2M/d1A/jH/APXosgMH4jeJdP1praDTJPMSPJb69B+let+FtHTSNHgt2GGC7nPbcO9eLaP4Wkg8XRaWZPM8lg7MBxgfjX0WuAu30qbozb7DU4rw34oal9v1O20e3IfyhyF/56McYr2DWdSTS7C4u5RlYlBrxDwFLDfeJzeX0wWTGVDfxH0oQQPavD2kppOmxWi/wDn6+tbi4xUCnmpl4696klDRxwakHzUzHJ9qUcGoQWE4paaM96dt9qZJ/9L2AjvSc9aeM03Fc6OVISuI8UeOrHQs28P7647Kp4H+9WV428df2UW0zTDm4Iwzf3P/AK9c54U+Hc2pEalrmViblU/ib/e9K1SNIxsZES+JvH8/l7itujZ54jXP8zXoGi/DDSrJ/N1J/tbf3SML/wDXru7aygtI1ito1iRcYVelWY+FwO9K47lSysIbGLyLWNYo16Ko7VeDgjFFNVfSoJRB9riM3kZ+aqesapDptnLdM2MfIP8Ae7Vzuiztd6hrN6T8sb+Qp9lqrqN+Ljw3Z3Nwc4aNnpgdXYaiZ2EEo2ShA3t71pDJ61xOia1HrPiCSSzPmQwQCPf/AHmz1ruMe9IDi9I8HLp+s3epNKH83/Vr/d/3vWu1XNKB2oBIpjuePfEbWmv7iLw9p5Jbd+82+vTBrmte+GuqaVA13auLmNOWwMMB9K9ttvD2l293LexW6LJIBzithVPerTGpHz74Z+It/pAFtqINzB0HOGX6V7ZpOt2mr2y3Vq+5D19Qa4vxZ8PLfUQ99pQEVwOSgHyt6/jXl/h3xJqPhK+eJ1ymcSRt7elNobVz6aD7uDTlHrWLoesQ6zZpeW33X6juvtW0OhFZ2M7D6TimrwMU7ikI/9P2BT2rhfHfiv8AsO0+yWpBuZh8v+yP71dpJKlvE8zdF+Y/1r5yu5Ljxt4pKoT5TvtX/ZjFZRMkdF4A8Jx6oz6vqw3pn5Efnee7HPUV6Nqtw7ajp2mRDy1b96+Om1e1bWk6clhaxW8YULEu0Ba5HXrk6RqttqTRSSwshgPlDOwZ+vNJu4XOl0vUTdXV5C3/ACwYfr/+qk1PxLpelSCO7k25rG8HxTzz6hqNzA8AuJPkR+u2uX8favaW921rcRlpCny/0p2JPS9O1ax1EE2koetEbR3r5bf+1Zi15p0bpE39zpW94T8b3mm3TLqErSxvgYc8ChIaR3lxo+t2EmoWemRxSQ3rNJu37WQH3rstG0tdO02GxPIiXb9fr7Vi2vi631GEvbtUFr4vSOXy7pxQI66K2htgRboI8/3RVpTXN3PjDRbVd0lwuK5o/FXSB0jb8jQkNI9LWjjPPFeXp8V9MJw1vJ+lWLDx9aztf3s2Y4oQqxq3duaLBY9HGDTh0qvbzCaNZR/Eoao7lz5MmP4VqRRINP1SG980xniNiv41x3jvwcNZg+32C/6XGOn/AD0Hp9ai0u/B0rRYIzvmeVHf+9j5s5r0OByyZ9KtFJnzz4C8WL4fu2s7vP2edgD/ALLdM4r6EtpBLEkqnIPT6V4X8TfDpsNQGr24PlXB+f8A2X/+vXZ/DHXmv9ObTLg5e2wF/wB3tVNFNHpVLgU3qfpT6xsQf//U3viVqzafobWkZIe7Pl/8B6t+nFc78IrAn7bqLdCBCP5mqvxenJvrO37CNm/M4rt/htB5HhqHP/LUs/5mp2RPQ7hc9qiK8EetOHQ4pm41kZCKMfjXM+I/CFhrY8+ZSZF6FeuPSuqi9fSnKvGKECPKF8YjRov7NuLIkchef/rV5pe+Hp5rh5LMEqSTg9a+jbnQrG7YmdA2azzpGkXIMUG3cPemmUmeZ+DfBurlzdvIIo249c11es/Dy3uYXe0bEp713mmWn2SDy6vincLny7rvhHVtGXzrvDKTwRUvhzwRqXiGNp0YQxD+Jq9817w5ba5AYpvqPrXDy+AtY0xml8P35jB6r0+tO40zBZdW8Bxbr2CG5V24P+RWS3i611AXFlNCLSC6k8xmj65967aK01fWIvsGuQbwX9/x+lX4PhhoQX98rE/7xpRsJGfo/iWC1hjjtb03Crhdj9elel27edEJc/eWuNtfh3pVpKssTHcpBrtbaMRLsFBJyOr2en6JZ3Wp2VuqTN8oZeu5vlrQtbn+y47K0uPv3J+Zv9qsv4hHGnWZPQXsX9ag8R6msusaLb2jb2eUy8dNtA0je8S6INY0ye1GNzrlf97tivB/BWsPoWvoJflSQ+VIPx/xr6Wj+79a+XfGdutn4ku44zx5m4VSKXY+o4nLjJqasPw7eC90m3nHdF/lWzk1PKRc/9Xl/in/AMjSf+uKf1r2XwX/AMi1p/8A1yX+VeNfFMY8UE/9MU/rXsPgeTf4bsU/uxCo6EnTe1Z2p3o0+3a5Y/d/h/vGsxtb36qunRnJiiEktZ/iO8gb7A8j7UW5CyFv4eO9ZIyOk0+5yhikfdIq7m+lVp9dSA4cVjaJfrqGvao9vIHSMRqMdN3PP6VP4ns/MhMg96YEst++qHyLeQxhu9XtD0CDR0cI28ydWrjNA0C+l/fO5hA28Vn+KdQ8ReGZhJavvgkHLf8A16a1Gj10Ag0pryC1+LkYiH220Jf/AGDx+tSx/GCzB/eWUmPZh/WqUS0j1fftrJt9ftprlrV1Mbr/AHq5jSviCmsOyWto67f7xz/KtHVPDb6vmZX2OP50hHWLknipf4TXlukeNxYzy6drOUZMbWP+e9dnbeJbC64Q81JL2Nf6UA9qarBhgdqUZFWQitf6bbalbSWt2u5JOorI0LwjpmiPJLbph5PlJJzx7eldAvpSqD2pDTJlA6CvnL4oLt8Uv7xIf519GR8jJ4r5u+Jk3m+KZR/cRVqomsT174cH/imbce7fzrtcCuK+HH/Is2//AAL+ddrzQI//1qHxdt9t/aXP96Mr+RJrpfhVqH2nSJLJ/vW7YH0bmtL4iaQNS0N5EXdJb/vFx+RrzD4Z60unaz9imbbHdDb/AMC7VPQnoek+GIluda8QNJ1aVYvwwRTPCKQanbatFdRCSJ7uT5WH3qqaj4VaS/lu7TUHsxOdsgTOM9/Suw0HTbXS7NbW1fcoA/nWZlcn03SbXTU8u0gSED+7Us8aeaAe9WV9qyrq9MUhJ6CkRcvS31tZrteQZFR/abHUFMW9H/GqV5o1nrcIN2mWFee6n8K7mSZpNMuVSM/wNnP9BTirmkTq7n4daBMp8uERk+hNVdC8KWlndkyWa4UdT1qhp3gDVrFV23+0j0Bp1/4G164bzItTII9Qf6Uxno1ta28SYijVB/s0x7ck71fbivPbXRPGVrGIortcD3qER+O7aN3mkSRT71JJveJPB1nqqNcO21/WuN8O6ZPao9rIShJ+U92+tbOlDV7ob76TpXTaVZwJH06mlcDV0iAxW2H74q/TYOI/pQv3cUxXMHxFq40qxL5+eWRYk/3jV21uhC8FpIeStc74pCjW9ED9BLJ/6DU1/cifxXp1qp+aOJ5DVDVjs9wwSK+SvEN6uoa1d3ifdklJH8q94+IOuxaXpElvGf31yNi/Tua8c8EaM2s69DGwzHERJJ/uiqSNEj6B8LWS2mjWkfUrEvNdDtFQQ7VT5VwBipctSMz/1/XAgNfNHjXQH8P6y6Rj9zKfMiPt3H4GvplM965rxZ4Zi8Q2JjJ2yR/NG3oe/wCdZQZmmcz4M15NU0tYpeZrXG7/AHfWty1vHtn3k8V4TaXWqeE9WfYSskfyuv8ACw9CO4r2jQdeg1izFxany2XCyR/3fp7UmuxEl2OottXgnO1uDTb2xFwCR2rD2HtVm3vpYB1zUow5jXJcWbpB8zgcV5ePiXqWl3kltqNuJQpIypwa9EttTjPy8Lms7WPB+n62xllJ3jvVJlwqanORfF7Tz/rbOQfQirdt8T7fUJ1trGylZ27MR/TNZsvwoti37qdlH1z/AErstC8LadpA/dR54HLdc1dzZyQtld63dth0ECjv/nrWrbZt4M3Uwc/57VoEntWJe27vlfWszPmMW0JaZye9QhmuvElvYsvyWkXmyH/a/h4rYttHlVcZrF1nwvqTaguqaRcrFI0Xkt5g7e1ILnRaBqbalBLIR0kIrbHPSuf0LTF0ixS3lmEjjlmHRm9as3GsQwcBd2KaIvqVNf8ADdrr0CxTlkKY2sp5FV9E8LWHhoT3QmaR3U73kIB9e1WG1CZ5PJjYRAA15h468bfbVbSdNbEfSVh0b6VaRpT7HP8AjnxMviHUcW//AB7w/Knv716j8NNCbT9La/uV2y3OCM/3B0rjvh/4NXUT/a+pL+5X/Vr/AHj6n29K9xt1KAg96bZo30HR9MmpNppBgUZFIy0P/9D2JVptKCKXsRXMmc9zh/Ffgq38QRedAfLuEHyt6+xrxNDrPgzU/mBRx2P3XWvp8rkYrH1nQLPWrcW92u4L93/ZrRMpPoch4b8ZW2uStbzN9nmK8IcbT67T1rVEMmSmMYrznXvhlqVgrXGlt9pjHO3o4H9aq6F8R9S0tfs9+n2lAercOPxo5OxLpJnqAQrwaBzWPpXj3T7793JJ5DnjEnP9a6CKxldd0Z3A1m0zFwaK4eRPuMRUseoXCfx0ps5+m01GYHXk0K5OpN/aVwB96lGp3OMButVAAetOXj8aNR6ltNSuu7Gq63lz0+0NSAgdapXmsWemOftkyKR+dNIpXLw3kbOWplxdwaYn2m6nCKv96uQ1D4rKpKabbBh2aQ/0ribTTPEXi+4D4Z1J++3Cr64q1HuaqHc3vFPxEuNUBs9I3QwdC5+83+FWPB3w8mvXW/1tCkA5WM9W+vtXYeG/hxY6U4vL5/tMuOFIwoPr616EEA6d6bdjS9tinp8EUMKJDt2IuwbfSrielOXjmnYI6VN9DNjRzRSmkwKVzM//0fY6aO9JgUuK5Uclw70nPakpRVIqIgXBzXO6p4Q0bVfmuYF3n+MferpcDpSdOlUmUmeOXnwhxzp95n2kX+orho7fxJo+oPpWnTv5y/eWF+/519A63fy6dYtNDbvcOMYSNSc/gK85+HOm6jHq15qGpW0sTNGNpkRlBJPOCR7VV7lXuZVtrHj1FxLaSzgf89EJr0bSLfUp7RJbyDyJSo3BSBXWnn8KTyU71Bm0uhzI0u5PVami0KTGWkwTW8I1PSlVMHAoEkcnqvhD+07YwpdvCx+8y/xfXmubt/hJYIxN1dOw9gBXqeMDFcto+s3txe3Nnd6fJbeWfkk2NtZPrjGatMuGx45q+hDwfrUUk8QubYn5Q/eveNIubS7skmtCNkg/h9e9Znivw8ut6bLCn+sHzJ/vVw/w8fWdIu5NLv7O4EMhyr+W21T9cYwaB7nrY61Mg4poxjinKOM1DEhVpaSlrMaE60YNOpMCqsRof//S9dooornOUcTWfYanaahE89o/mIjFCQDkMOox1zVtgVBK4LHoCeCa8/lhm1D+1Le3t1t721aORgk0m2ZnTIGU8k/MOOe9UkVFHYaNqtrqloLi1J2nIIb7ysOCpHYj0rZ2ivLPCPk6rqNxcxPNDHZ7F8lp5HHmZJZ2+Yg+g7Hk16gvFOxVjLbUrOO5SzeT97IvmIndlHBx689qQarbJqP9lNlZTH5i7ujDODg85I71i67KI7+wN1ZxzRGdYopBIweN23ZO0LyML61xWsRzafew6LNJLDJcSKIriO4lCrCThgytI5DYGPQ/hQKx69JJ5KO+1m2g8KOT9B3NZEOu2MulHV0JNusbSnI+YBckrjPUYxiue8YaSkejQQW0JlEciqMq0xjQ/ebB3E4FcLFpuzT9XurKRPLhgUeYbcx+YrbgyjJGPujkZpjSPZ9O1C2v4zJayLIAQGx/C3cH39qp6X4i0rVXkhs7hWZCQVJ+bjgkDOce9cZoOmNcaFfai18zJqEOSRGI2QRhhkkM3GBiuH068vYlmMbNGWtWTMYjA2/Z3lCgpyvPzfL7b+RRYEj3awvY76S6WMEG2lMDZ/vAA5HthqzbzxjoNhO9reXIjkTGVKtnnn09K4Tw8bddch+zmVQ00obd5mCvlrgHd1bdjrz/AOQq6DxtqJt5tOjhjaVreX7bKq9VjiGCT/31+NA7G5p3i7RNRuRaWU4llbJCgHnAye1SX/ivRdMn+zX1ysUo52sDnB6dq5dpZj4jtLizlimW9jG3KtujgX5mYMD/ABlu4649N9VfHl7cQuiytbNb26rP9nlfEkj7iq5XnzEG3OOM/wAXSmh2O00vxHpOq+Z9inWXYQp6jls4HPrirml6pBq1sLq2BClmHzDn5SVPH1WvO7Ca+muLM3d5b3cf9oK0bRyFzGzRuTGST0H8P+UrpPh1/wAixCPSSX/0M0rBY7OnU0YNKaysRESiiiqJP//T9dooornOUR8hCVG4/wCetebX3hzVrlrm5Ztz3bILiFGZAQgK8PkkjBx0/wDjVeizMUQsgLMOig4yfxryWJdSfXY4Ly0vbjbF9oWKadDhw4IlOxo0wOmDVRNIGzZ2moS31ndwaPHbrB8m+KcbWibghgE+cDqB616L5iqyrkZPbvx6CvHfC13e2Een4tpky0sBCyx7Jss52hWYYKE9hnr61ra5qc51m8d7mCH+xl82CORSTMXjyf8AlovI6LgVVh2N3XdK1XVruJIbiK3htWW4jLAl2kXj5hkYVQe3rWAug6naWdzb3elxXzXHM0zTjczDoQWjXAH8IHTvVa2n1TULy+1uK4SznjtgojeLczxAbtwyw2q7dPwqzrt7Nf6ZpH2m4gt2kVL2SWUqBuVNyqI2PzAs1CBGzJpd9eaPaC7iLzWhDm33j96VP7sSSY+b+8cDBP4VjWXgq4SOzimCwxOBJeFCMOY3LRqBj/a5b0FQ2OrX+ovpEJ1jL3bMZEgCBo/kJCkYbuMcj1rZsb7UYrXVY3D6kLa4MQEhQfu1UFs8KD16d6YyppOj+II9FudKKQrELVoISr7vMdicyAjkDa3Tuah/4QiTT7+GXTIoZlCtu80YTiHy9pADkhy24/j9aof2RotzNocN2f8ARZLWSUJLKfkDFXUbhjpux+FbHhnT9Li1XVrHSWEUTRQoDDJuPzb9xBJfkfpQMdb6Bq+n30erXl5bRiGdppVUMqbXUI2WJ9EBAI696sjT/EFvdz3sH2ea5vCYzI7EJDGpyiqoGW3BsnnrXFanciyvtR0nUJri6iVxsVrzA2EZIZXbn1rQ0HUYNSvYbCBrtd3dbwEqFA7Dr1/z+8oA37DwhfeHd13o9xFPNIMSLMm1SM5xHs5TJPTkU/xFo2r66zwI1jFDJGqtI+5pgepAIAGM1mT6RBqfiLxDL9miuZ4BbeUsuduWj56Hviq1raaPql7DpdppMdtcISbtJkJ8pB2BBXcX3DaR25oA6OLRbyztmuJCmpS27rLBFEggAfBz8wJzkPnnitTwbpl1pWixWl7gShnJC9FyxbH61PeeHNMvrSKxuIQ0MONqKxUAqMD7hXoK4HUvCtheao2jaRbeS8aB5J5ZZGCqxwNi7uW478etJCPXulIOaxtF0eDRbIWUDu4BLFpDySeua119ayZFx+DRg03AowKegrn/1PXaKKK5zlGTR+ahTcVz3Xr+B7V5WLC2j1+WaYXmpR2UBVt4Z2EwkG0AYUHj5vT+L/br1paXFUnYcWeO2f2nR9TN1qdnN+9bdYwJyqNK37wHHAbD5weMZXNSaxaSS6jr8iaV9sDou2c4zGfJ6rv5ODz8nP8A47XrwzTcU0y0zznV47Sw0q1uJPMF5JYNaRoiE+aSg+VgFboemcd6n1XTWOg6foptRNdywJbq7puEICgSOT2wOnPXFehAcUYNFxXPJz4f1rT7zTksre3Y2zuqT7TtZPLIBmC9COmc8mtzR7TVoLPWXvoAZ5pXkURH5ZMpgbMn1Heu9XpSt0ouO55Holjf36WGlX9vDL9lCvK00QIii2gLCN4ILPjcSOldFokD6Tq1xpzWSJFPmSGe3jAAUfwOQOq7uCetdqfWndqLi5zxTWBef8JJrP2QXBGYs/Z/Nx/q/wCLyuPzqfwxHeDxBpzXKT4EU3Mwk7gdPN/9k/xr2LnvRmi4c55de6hJpeua8YnEMk/2by3aN3XATDH5AeRu71C8Hh+OKNrW8mivYn8z7T9nlMju33t/yfMD6dvzr1jGOlAGKLiTuUdPuo7y3W4hYsG5ywI/Q8iuQ8N30WreItSvbUN5RhiiJZSBvBYEc+ld71oX2pXGmHTijjtS5pMZ61Nybi8UmRSYFJTuTc//1fXaKKK5zlHUL0ooXpSQ0PWgULQKaBDv4aKP4aKa3KiNWl70i0vegQ3vQaO9BqVuMZSUtJVszQ404dKaacOlJDQq8ihOtCdKE60ixo70HrQO9B60GbGUUUUDP";
        GenerateImage(strImg, "D:\\a.jpg");
        
        // 测试从图片文件编码为Base64编码
        System.out.println(GetImageStr("d:\\a.jpg"));
    }

    public static String GetImageStr(String imgFilePath) {// 将图片文件转化为字节数组字符串,并对其进行Base64编码处理
        byte[] data = null;
        
        // 读取图片字节数组
        try {
            InputStream in = new FileInputStream(imgFilePath);
            data = new byte[in.available()];
            in.read(data);
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        // 对字节数组Base64编码
        BASE64Encoder encoder = new BASE64Encoder();
        return encoder.encode(data);// 返回Base64编码过的字节数组字符串
    }

    public static boolean GenerateImage(String imgStr, String imgFilePath) {// 对字节数组字符串进行Base64解码并生成图片
        if (imgStr == null) // 图像数据为空
            return false;
        BASE64Decoder decoder = new BASE64Decoder();
        try {
            // Base64解码
            byte[] bytes = decoder.decodeBuffer(imgStr);
            for (int i = 0; i < bytes.length; ++i) {
                if (bytes[i] < 0) {// 调整异常数据
                    bytes[i] += 256;
                }
            }
            // 生成jpeg图片
            OutputStream out = new FileOutputStream(imgFilePath);
            out.write(bytes);
            out.flush();
            out.close();
            return true;
        } catch (Exception e) {
            return false;
        }
    }
    
}

 

posted on 2017-05-16 21:14  纯黑Se丶  阅读(3125)  评论(0编辑  收藏  举报