这是为了解决页面发送post请求，传输密码，在页面的控制台可以看到密码的明文，所以先用base64把要传输的密码转换为非明文，然后在后台解密处理。
base64encode.js
// base64加密开始
var base64encodechars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64decodechars = new Array(
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1); function base64encode(str) { var out, i, len;
var c1, c2, c3;
len = str.length;
i = 0;
out = "";
while (i < len) {
c1 = str.charCodeAt(i++) & 0xff;
if (i == len) {
out += base64encodechars.charAt(c1 >> 2);
out += base64encodechars.charAt((c1 & 0x3) << 4);
out += "==";
break;
}
c2 = str.charCodeAt(i++);
if (i == len) {
out += base64encodechars.charAt(c1 >> 2);
out += base64encodechars.charAt(((c1 & 0x3) << 4) | ((c2 & 0xf0) >> 4));
out += base64encodechars.charAt((c2 & 0xf) << 2);
out += "=";
break;
}
c3 = str.charCodeAt(i++);
out += base64encodechars.charAt(c1 >> 2);
out += base64encodechars.charAt(((c1 & 0x3) << 4) | ((c2 & 0xf0) >> 4));
out += base64encodechars.charAt(((c2 & 0xf) << 2) | ((c3 & 0xc0) >> 6));
out += base64encodechars.charAt(c3 & 0x3f);
}
return out;
}
// base64加密结束
需要加密的内容：
function del(id) {
if(!$("#admin-pwd").val()){
Yn.errorMsg("请先输入管理员密码！");
return false;
}
if(!confirm("删除操作不可逆，你确定要删除该分店的条目吗？"))
return;
var mangePwd = base64encode($("#admin-pwd").val()); //对数据进行base64处理，防止在控制台的form data看到明文 edit by chn
$.post("${ctx}/syscfg/store/delete", {"id":id,"mangePwd":mangePwd}, function(result){
if(!result.success) {
Yn.errorAlert(result.message);
return;
}else{
location.reload();
}
},"json");
}
后台controller解析：
@ResponseBody
@RequestMapping("delete")
public Result delete(ShopBranch branch, HttpSession session) {
Result result = new Result(); try {
Shop shop = SessionUtils.getShop(session); //页面加密，后台进行base64解密 edit by chn
branch.setMangePwd(new String(Base64Util.decode(branch.getMangePwd()))); Result delRst = shopBranchService.delete(branch);
if (delRst.isSuccess()) {
system.out.println("成功");
}
return delRst;
} catch (Exception e) {
logger.error("删除异常", e);
}
return result;
}
后台base64主要解密代码：
import java.io.UnsupportedEncodingException; public class Base64Util
{
private static byte[] base64DecodeChars = new byte[] { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1,
-1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1 }; /**
* 解密
*
* @param str 密文
* @return 明文的字节数组
* @throws UnsupportedEncodingException
*/
public static byte[] decode( String str )
throws UnsupportedEncodingException
{
StringBuffer sb = new StringBuffer();
byte[] data = str.getBytes( "US-ASCII" );
int len = data.length;
int i = 0;
int b1, b2, b3, b4;
while ( i < len )
{
/* b1 */
do
{
b1 = base64DecodeChars[data[i++]];
}
while ( i < len && b1 == -1 );
if ( b1 == -1 )
break;
/* b2 */
do
{
b2 = base64DecodeChars[data[i++]];
}
while ( i < len && b2 == -1 );
if ( b2 == -1 )
break;
sb.append( (char) ( ( b1 << 2 ) | ( ( b2 & 0x30 ) >>> 4 ) ) );
/* b3 */
do
{
b3 = data[i++];
if ( b3 == 61 )
return sb.toString().getBytes( "iso8859-1" );
b3 = base64DecodeChars[b3];
}
while ( i < len && b3 == -1 );
if ( b3 == -1 )
break;
sb.append( (char) ( ( ( b2 & 0x0f ) << 4 ) | ( ( b3 & 0x3c ) >>> 2 ) ) );
/* b4 */
do
{
b4 = data[i++];
if ( b4 == 61 )
return sb.toString().getBytes( "iso8859-1" );
b4 = base64DecodeChars[b4];
}
while ( i < len && b4 == -1 );
if ( b4 == -1 )
break;
sb.append( (char) ( ( ( b3 & 0x03 ) << 6 ) | b4 ) );
}
return sb.toString().getBytes( "iso8859-1" );
} }