技术预研报告

haiyamaill.Of.System0.文档介绍30.1文档目的30.2文档范围30.3读者对象与职责30.4参考文档30.5术语与缩写解释31.背景介绍42.技术预研目标44.技术短信网关的研究报告45.技术短信网关的研究报告5 Page2of16 Page3of16 Page4of16 ASP、VB、PowerBuilder、Delphi等。 Page5of16importimportimportimportimportimportimportimport

java.applet.Applet;java.awt.Button;java.awt.Color;java.awt.Graphics;java.awt.TextField;java.awt.event.ActionEvent;java.util.Random;java.util.Vector; Page6of16publicclassLotteryextendsApplet{privatestaticfinallongserialVersionUID=1L;intw,h;Buttonok,out,setup;String[]msg;TextField[]gaiLv;TextField[]jiangPin;intmx,ml;Vector<Integer>fist;Vector<Integer>sec;Vector<Integer>third;Vector<Integer>lucky;booleanlot=false;booleaniserr=false;booleanissetup=false;Stringmesg="输入错误";StringpriseMsg="继续努力！"; Page7of16publicvoidinit(){w=400;h=220;mx=20;ml=40;ran=newRandom();this.setSize(w,h);this.setLayout(null);ok=newButton("抽奖");out=newButton("退出");setup=newButton("确认设置");msg=newString[4];gaiLv=newTextField[4];jiangPin=newTextField[4];for(inti=0;i<4;i++){gaiLv[i]=newTextField("0.0"+(i+1));this.add(gaiLv[i]);gaiLv[i].setBounds(mx+ml,75+i*26,60,18);jiangPin[i]=newTextField();this.add(jiangPin[i]);jiangPin[i].setBounds(mx+ml*3,75+i*26,80,18);}this.add(ok);ok.setBounds(260,180,60,28);ok.addActionListener(newLotButtonAction(this));this.add(out);out.setBounds(330,180,60,28);out.addActionListener(newLotButtonAction(this));this.add(setup); Page8of16setup.setBounds(110,180,80,24);setup.addActionListener(newLotButtonAction(this));}publicvoidpaint(Graphicsg){g.setColor(Color.white);g.fillRect(0,0,this.getWidth(),this.getHeight());g.setColor(newColor(230,255,230));g.fillRect(0,0,w,30);g.setColor(Color.BLUE);g.drawString("JAVA抽奖系统",130,20);g.setColor(Color.ORANGE);g.drawRect(10,40,230,170);g.setColor(Color.BLACK);g.drawString("设置",mx,60);g.drawString("概率",mx+ml,60);g.drawString("奖品",mx+ml*3,60);for(inti=0;i<msg.length;i++){g.setColor(newColor(255-(i*30),45,89));g.drawString(msg[i],20,90+i*26);}if(lot==true){g.setColor(newColor(ran.nextInt(255),ran.nextInt(255),ran.nextInt(255)));if(priseMsg.length()<=7){g.drawString(priseMsg,260,100);}{g.drawString(priseMsg.substring(0,5),260,100);g.drawString(priseMsg.substring(5),260,120);}}if(iserr==true) Page9of16{g.drawString(mesg,260,100);}}publicvoidgetLucky(){floatfiru=1;floatsecu=1;floatthiu=1;floatfouu=1;floatminu=1;if(gaiLv[0].getText().trim().length()>1){firu=Float.parseFloat(gaiLv[0].getText());if(firu<=0||firu>=1){iserr=true;return;}if(firu<minu){minu=firu;}}if(gaiLv[1].getText().trim().length()>1){secu=Float.parseFloat(gaiLv[1].getText());if(secu<=0||secu>=1){iserr=true;return;}if(secu<minu){minu=secu;}}Page10of16if(gaiLv[2].getText().trim().length()>1){thiu=Float.parseFloat(gaiLv[2].getText());if(thiu<=0||thiu>=1){iserr=true;return;}if(thiu<minu){minu=thiu;}}if(gaiLv[3].getText().trim().length()>1){fouu=Float.parseFloat(gaiLv[3].getText());if(fouu<=0||fouu>=1){iserr=true;return;}if(fouu<minu){minu=fouu;}}if(minu>=1||minu<=0){iserr=true;return;}floataNum=1/minu;intcount=(int)(firu/minu);if(firu!=1){fist=getLotteryVec(maxNum,count);}Page11of16{fist.removeAllElements();}count=(int)(secu/minu);if(secu!=1){sec=getLotteryVec(maxNum,count);}{sec.removeAllElements();}count=(int)(thiu/minu);if(thiu!=1){third=getLotteryVec(maxNum,count);}{third.removeAllElements();}count=(int)(fouu/minu);if(fouu!=1){lucky=getLotteryVec(maxNum,count);}{lucky.removeAllElements();}issetup=true;iserr=false;}protectedVector<Integer>getLotteryVec(intmaxNum,intnum){ Page12of16Vector<Integer>result=newVector<Integer>();for(inti=0;i<num;i++){result.add(ran.nextInt(maxNum));}returnresult;}protectedintgetaNum(){returnran.nextInt(maxNum);}publicintisLucky(intpNum){for(inti=0;i<fist.size();i++){if(fist.get(i)==pNum){return1;}}for(inti=0;i<sec.size();i++){if(sec.get(i)==pNum){return2;}}for(inti=0;i<third.size();i++){if(third.get(i)==pNum){return3;}}for(inti=0;i<lucky.size();i++){if(lucky.get(i)==pNum)Page13of16{return4;}}return-1;}publicvoidButtonActionPerformed(ActionEvente){StringacName=e.getActionCommand();if(acName.equals("抽奖")){if(issetup==false){lot=true;repaint();lot=false;return;}lot=true;priseMsg=getResult(getaNum());repaint();//lot=false;}elseif(acName.equals("退出")){this.setVisible(false);this.stop();this.destroy();System.exit(0);}elseif(acName.equals("确认设置")){lot=false;getLucky();repaint();}Page14of16}publicStringgetResult(intnum){intresu=isLucky(num);Stringresult="";switch(resu){case-1:result="继续努力！";break;case1:result="恭喜你！一等奖!\n获得" jiangPin[0].getText();