群发邮件法式有哪些？

  Java的final和static区别

linux下安拆后缀为bin的JavaJDK

Java数字转字符串前面主动补0的实现

import java。io。*;

import java。util。*;

import javax。mail。

import javax。mail。internet。*;

public class Mailer {

/** javamail session对象。 */

protected Session session;

/** 发信地址 */

protected String from;

/** 信的题目*/

protected String subject;

/** 存放字符串形式的收信地址 */

protected ArrayList toList = new ArrayList();

/** 抄送地址*/

protected ArrayList ccList = new ArrayList();

/** 暗送地址 */

protected ArrayList bccList = new ArrayList();

/** 信的文本内容*/

protected String body;

/** SMTP办事器地址*/

protected String mailHost;

/**能否在掌握台打印信息*/

protected boolean verbose=true;

/** Get from */

public String getFrom() {

return from;

public void setFrom(String fm) {

from = fm;

public String getSubject() {

return subject;

public void setSubject(String subj) {

subject = subj;

public ArrayList getToList() {

return toList;

public void setToList(ArrayList to) {

toList = to;

public void setToList(String s) {

toList = tokenize(s);

public void addTo(String to) {

toList。

  add(to);

public ArrayList getCcList() {

return ccList;

public void setCcList(ArrayList cc) {

ccList = cc;

public void setCcList(String s) {

ccList = tokenize(s);

public void addCc(String cc) {

ccList。

  add(cc);

public ArrayList getBccList() {

return bccList;

public void setBccList(ArrayList bcc) {

bccList = bcc;

public void setBccList(String s) {

bccList = tokenize(s);

public void addBcc(String bcc) {

bccList。

  add(bcc);

public String getBody() {

return body;

public void setBody(String text) {

body = text;

public boolean isVerbose() {

return verbose;

public void setVerbose(boolean v) {

verbose = v;