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*/

void ( , ){

try {

mage(68,22,new Color(150, 180, 195),,);

} catch ( e) {

// TODO Auto- catch block

e.();

.out.("驗(yàn)證碼生成失敗");

}

}

//創(chuàng)建算術(shù)驗(yàn)證碼圖片

void mage(int width,int ,Color , , ) {

bi = new (width, , .);

g = bi.();

g.();

g.(0, 0, width, );

= (g);

//(g,width,,5);

.write(bi, "JPG", .());

on(,);

}

//創(chuàng)建驗(yàn)證碼圖片

void (int width,int ,Color , , ) {

bi = new (width, , .);

g = bi.();

g.();

g.(0, 0, width, );

= (g);

(g,width,,5);

.write(bi, "JPG", .());

on(,);

}

//添加干擾線

void ( g,int width,int ,int ) {

r = new ();

for (int i =0; i < ; i++) {

int x1 = r.(width);

int x2 = r.(width);

int y1 = r.();

int y2 = r.();

g.(new Color(r.(255),r.(255),r.(255)));

g.(x1, y1, x2, y2);

}

}

//隨機(jī)創(chuàng)建驗(yàn)證碼

( g) {

char[] code = "".();

r = new ();

int len = code.;

sb = new ();

for (int i =0; i < 4; i++) {

int index = r.(len);

//記得在向圖片添加驗(yàn)證碼前設(shè)置驗(yàn)證碼的顏色java 驗(yàn)證碼去干擾線java 驗(yàn)證碼去干擾線，否則可能會(huì)出現(xiàn)有一個(gè)驗(yàn)證碼看不見(jiàn)的情況

g.(new Color(r.(88),r.(188),r.(255)));

g.(code[index]+"", (i*15)+3, 18);

sb.(code[index]);

}

.out.(sb);

sb.();

}

//創(chuàng)建隨機(jī)算數(shù)驗(yàn)證碼

( g) {

r = new ();

char[] code1 = "".();

char[] code2 = "+-*".();

int num1 = .(code1[r.(code1.)] +"");

= code2[r.(code2.)] +"";

int num2 = .(code1[r.(code1.)] +"");

= (num1,num2,) + "";

g.(new Color(r.(88),r.(188),r.(255)));

g.(num1+"", 0, 18);

g.(new Color(r.(88),r.(188),r.(255)));

g.(, 20, 18);

g.(new Color(r.(88),r.(188),r.(255)));

g.(num2+"", 40, 18);

;

}

//進(jìn)行驗(yàn)證碼計(jì)算

int (int num1,int num2, ) {

int = 0;

() {

case "+":

= num1 + num2;

break;

case "-":

= num1 - num2;

break;

case "*":

= num1 * num2;

break;

}

;

}

//把驗(yàn)證碼中的數(shù)據(jù)存儲(chǔ)在，以便來(lái)驗(yàn)證登錄

void on( , str) {

.().("code", str);

}

}