【導(dǎo)讀】建立了B2C的網(wǎng)絡(luò)銷售系統(tǒng)。著重論述了系統(tǒng)功能與實(shí)現(xiàn)、數(shù)據(jù)流程及存。儲,包括商品目錄、用戶注冊、網(wǎng)上訂貨與購物、庫存查詢、后臺數(shù)據(jù)庫管理等。技術(shù)建設(shè)恒華貿(mào)易有限公司網(wǎng)站。為客戶提供24小時方便快捷的在線訂購服務(wù)。高效的商品數(shù)據(jù)方案,對商品信息進(jìn)行科學(xué)、靈活地分類、存儲。將客戶商業(yè)邏輯規(guī)則融入系統(tǒng)，即根據(jù)不同客戶屬性,提供不同付款方式。佳渠道并逐步進(jìn)入傳統(tǒng)的流通領(lǐng)域。家在網(wǎng)上建起在線商店，向消費(fèi)者展示出一種新穎的購物理念。臺,在其商務(wù)活動全過程中起著舉足輕重的作用。供靜態(tài)和動態(tài)兩類信息資源。報(bào)價(jià)，會議安排和培訓(xùn)信息等。使商家和用戶方便的傳遞信息，完成電子貿(mào)易或EDI交易。這樣才能使得在電子交易時避免不必要錯誤發(fā)。ASP是一個位于服務(wù)器端的腳本運(yùn)行環(huán)境。這是傳統(tǒng)的CGI等程序所遠(yuǎn)遠(yuǎn)不及的地方。并送到瀏覽器；而Client端的Script命令則是由瀏覽器來解釋執(zhí)行。務(wù)器，然后Web服務(wù)器把結(jié)果發(fā)送給瀏覽器。ASP文件的制作和HTML類似，

　　

【正文】 They first assumed a long, elliptical orbit with a low point 200 kilometers above the theoretical radius of Themis. It was a mathematical abstraction because the orbit was tilted thir ty degrees from Themis, equator, which put them above the dark side. They passed the spinning toroid to emerge on the sun side. Themis lay spread out before them as a nakedeye object. Not that there was a lot to see. Themis was nearly as black as space, even with the sun shining on it. She studied the huge mass of the wheel with the triangular solar absorption sails rimming it like sharp gear teeth, presumably soaking up sunlight and turning it into heat. The ship moved over the interior of the great wheel. The spokes became visible, and the solar reflectors. They seemed nearly as dark as the rest of Themis, except w here they mirrored some of the brighter stars. The problem that still worried Cirocco was the lack of an entrance. There was a lot of pressure from Earth to get into the thing, and Cirocco, despite her cautious instincts, wanted to as badly as anyone else. There had to be a way. No one doubted Themis was an artifaI think The docking facilities! Cirocco yelled. They39。re gonna grab us! Bill, start the engine sequence, stop the carousel, get ready to move. But it39。ll take us thirty minutes I know. Move! She caromed off the viewport and into her seat, reached for her microphone. All hands. Emergency status. Depressurization alert. E vacuate the carousel. Acce leration stations. Strap in. She slammed the alarm button with her left hand and heard the eerie hooting begin in the room behind her. She glanced to her left. You too, Bill. Get suited. But Now! He was out of his seat and diving through the access hatch. She turned and called over her shoulder. Bring my suit back with you! The object was visible out the w indow now, approaching fast. She had never felt so helpless. By overriding the attitude contr ol system39。s programing she was able to fire all the thrusters on the side of the ship facing Themis, but it was not nearly enough. The great mass of Ringmaster barely moved. Other than that, she could only sit a nd monitor the automatic engine sequencing and count the seconds as they dragged by. In a short time she knew they could not escape. That thing was big, and moving faster. Bill appeared, suited, and she scrambled into SCIMOD to don her own suit. Five anonymous figures sat be lted to acceleration c ouches, not moving, staring at the screen. She clamped her helmet, and heard chaos. Quiet down. The chatter died away. I want silence on the suit channel unless 1 ask you to speak. But what39。s happening, Commander? It was Calvin39。s voice. I said no talking. It looks like an automatic device is going to pick us up. This must he the docking facilities we were looking for. It looks more like an attack to me, August muttered. They must have done this before. They must know how to do it safely. She wished she could convince herself of that. it didn39。t help her credibility when the whole ship shuddered. Contact, Bill said. It39。s got us. Cirocco hurried back to her station, just in time to miss seeing the grapple sweep over them. The ship jumped again, and awful noises came from the rear. What did it look like? Great big octopus tentacles without the suckers. He sounded shaken. Tthere were hundreds of them, waving around all over. The ship gave an even greater lurch, and more alarms began to sound. A firestorm of red lights spread across her controls. We39。ve got a hull rupture, Cirocco said, with a calmness she did not feel. Losing air from the central stem. Sealing off pr es sure doors 14 and IS. He hands moved over the controls with out conscious guidance. The lights and buttons were far away, seen through the wrong end of a telescope. T he accelerometer dial began to spin as she was thrown violently for ward, then to the side. She came to rest on top of Bill, then struggled back to her scat and strapped in. When the buckle clicked around her waist the ship jerked backwards again, worse than before. Something came through the hatch behind her and hit the viewport, which developed a work of cracks. She hung from her seat, her body straining forward against the belt. A n oxygen cylinder flew through the hatch. T he glass shattered and the sound of the impact was suc ked away with the burst of cold, hard glass knives that turned and dwindled before her eyes. Everything in the cabin that wasn39。t tied down leaped up and hurtled through the mouth of jagged teeth that had once been a viewport. Blood pulsed in her face as she hung above a bottomless blac k hole. Large objects turned lazily in the sunlight. One of them was the engine module of Ringmaster, out there in front of her where it had no right to be. She could see the broken stump of the connecting stem. Her ship was ing apart. Oh, shit, she said, then had a vivid recollection of a tape she had once beard from the flight recorder of an airliner. That had been the last word the pilot had uttered, seconds before impact, when he knew he was going to die. She knew it, too, and the thought filled her with a vast disgust. She watched in dull horror as the thing that had the engines wrapped more tentacles around it. it reminded her of a Portuguese man o39。 way with a fish snared in its poisonous grip. A fuel ta nk rupturedsoundlessly, with a strange beauty. Her world was ing apart with no noise to mark its passing. A cloud of pressed gas quickly dispersed. The thing did not seem to mind. Other tentacles had other parts of the ship. The highgain antenna almost seemed to be swimming away, but it moved too slowly as it tumbled down the well below her. Alive, she whispered. It39。s alive. What did you say? Bill was trying to hold himself secure with both hands m the instrument panel. He was strapp