中文摘要：

在互联网络和信息技术的影响下，网上购物、团购等基于电子商务平台的网络消费方式得到极大发展，网络消费逐渐成为城市居民消费选择的重要方式，网络消费市场得到了较快的发展。同时，由于居民社会阶层的差别及相应居住空间的分异，导致网络消费呈现出不同的空间特征，并且对实体空间产生不同程度的影响。通过对南京居民网络消费情况的问卷调查，分析个人社会经济属性、住房状况、交通方式以及移动网络使用等体现居民社会阶层状况的要素对居民网络消费选择的影响，进而分析居民网络消费的空间分布特征，研究城市不同空间的网络消费构成和网络消费商品类型特征，在此基础上分析不同空间网络消费对交通出行和实体商业空间结构的影响程度。

英文摘要：

Online consumption has been developed rapidly under the driving of internet and information technologies, which is increasingly more and more important for urban residents＇ consumption. Due to the differences of residents＇ social classes and residential space differentiation, the online consumption has different spatial characteristics and multiple effects on physical space. The researchers have focused on the influencing factors of online consumption and the characteristics of residents＇ online consumption behavior. When it comes to the influencing factors, they discussed the relationship between the choice of online consumption and internet infrastructure, advertising media, e-commerce as well as residents＇ social economic attrubutes. Meanwhile, some empirical studies have been focused on the role of online consumption on corresponding physical consumption. The authors would pay close attention to some new factors which affect online consumption, such as living, transportation, logistics and the usage of mobile internet. Then the spatial distribution of residents＇ online consumption is analyzed. The survey was conducted by face-to-face questionnaire during August of 2011, and the respondents were randomly selected in different urban districts and different residential areas, A total of 1003 questionnaires were delivered and 997 copies were retrieved. Based on the data of the questionnaires, the authors analyzed the influence of social status on the choices of residents＇ online consumption, and then revealed the spatial characteristics of residents＇ online consumption through calculating the proportion of online consumption residents in different habitats and the type of online consumption goods. Finally, the effects of online consumption on urban spatial organization and travel behavior were discussed. It is indicated that the socio-economic attributes, such as gender, age, income and education, have significant impact on the online comsumption behavior. Because of the lower goods price, people wi