原始数组,数组不固定,可能有多个,id和name不同,sid可以相同(相同属于同一类)vararr=[{"id":"1","sid":"mm","name":"黑色"},{"id":"2","sid":"mm","name":"白色"},{"id":"3","sid":"xx","name":"64G"},{"id":"4","sid":"xx","name":"128G"},{"id":"5","sid":"yy","name":"normal"},{"id":"6","sid":"yy","name":"plus"}]结果组成vararr2=[{name:'黑色,64G,normal',attrs:[{"id":"1","sid":"mm","name":"黑色"},{"id":"3","sid":"xx","name":"64G"},{"id":"5","sid":"yy","name":"normal"}]},{name:'黑色,64G,plus',attrs:[{"id":"1","sid":"mm","name":"黑色"},{"id":"3","sid":"xx","name":"64G"},{"id":"6","sid":"yy","name":"plus"}]},{name:'黑色,128G,normal',attrs:[{"id":"1","sid":"mm","name":"黑色"},{"id":"4","sid":"xx","name":"128G"},{"id":"5","sid":"yy","name":"normal"}]},{name:'黑色,128G,plus',attrs:[{"id":"1","sid":"mm","name":"黑色"},{"id":"4","sid":"xx","name":"128G"},{"id":"6","sid":"yy","name":"plus"}]},{name:'白色,64G,normal',attrs:[{"id":"2","sid":"mm","name":"白色"},{"id":"3","sid":"xx","name":"64G"},{"id":"5","sid":"yy","name":"normal"}]},{name:'白色,64G,plus',attrs:[{"id":"2","sid":"mm","name":"白色"},{"id":"3","sid":"xx","name":"64G"},{"id":"6","sid":"yy","name":"plus"}]},{name:'白色,128G,normal',attrs:[{"id":"2","sid":"mm","name":"白色"},{"id":"4","sid":"xx","name":"128G"},{"id":"5","sid":"yy","name":"normal"}]},{name:'白色,128G,plus',attrs:[{"id":"2","sid":"mm","name":"白色"},{"id":"4","sid":"xx","name":"128G"},{"id":"6","sid":"yy","name":"plus"}]},]如果vararr=[{"id":"1","sid":"mm","name":"黑色"},{"id":"2","sid":"mm","name":"白色"},{"id":"3","sid":"xx","name":"64G"},{"id":"4","sid":"xx","name":"128G"}]vararr2=[{name:'黑色,64G',attrs:[{"id":"1","sid":"mm","name":"黑色"},{"id":"3","sid":"xx","name":"64G"}]},{name:'黑色,128G',attrs:[{"id":"1","sid":"mm","name":"黑色"},{"id":"4","sid":"xx","name":"128G"}]},{name:'白色,64G',attrs:[{"id":"2","sid":"mm","name":"白色"},{"id":"3","sid":"xx","name":"64G"}]},{name:'白色,128G',attrs:[{"id":"2","sid":"mm","name":"白色"},{"id":"4","sid":"xx","name":"128G"}]},]
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