首頁猿問有趣數(shù)據(jù)結(jié)構(gòu)轉(zhuǎn)化，如何實(shí)現(xiàn)？

有趣數(shù)據(jù)結(jié)構(gòu)轉(zhuǎn)化，如何實(shí)現(xiàn)？

JavaScript

紅顏莎娜 2019-04-10 20:49:17

原始數(shù)據(jù)javascriptvarobj={'a':1,'b':2,'c':['x','y','z','j'],'d':['a','c','u'],'e':['e','d']};轉(zhuǎn)化為目標(biāo)數(shù)據(jù)javascript[{'a':1,'b':2,'c':'x','d':'a','e':'e'},{'a':1,'b':2,'c':'y','d':'a','e':'e'},{'a':1,'b':2,'c':'z','d':'a','e':'e'},{'a':1,'b':2,'c':'j','d':'a','e':'e'},{'a':1,'b':2,'c':'x','d':'c','e':'e'},{'a':1,'b':2,'c':'y','d':'c','e':'e'},{'a':1,'b':2,'c':'z','d':'c','e':'e'},{'a':1,'b':2,'c':'j','d':'c','e':'e'},{'a':1,'b':2,'c':'x','d':'u','e':'e'},{'a':1,'b':2,'c':'y','d':'u','e':'e'},{'a':1,'b':2,'c':'z','d':'u','e':'e'},{'a':1,'b':2,'c':'j','d':'u','e':'e'},{'a':1,'b':2,'c':'x','d':'a','e':'d'},{'a':1,'b':2,'c':'y','d':'a','e':'d'},{'a':1,'b':2,'c':'z','d':'a','e':'d'},{'a':1,'b':2,'c':'j','d':'a','e':'d'},{'a':1,'b':2,'c':'x','d':'c','e':'d'},{'a':1,'b':2,'c':'y','d':'c','e':'d'},{'a':1,'b':2,'c':'z','d':'c','e':'d'},{'a':1,'b':2,'c':'j','d':'c','e':'d'},{'a':1,'b':2,'c':'x','d':'u','e':'d'},{'a':1,'b':2,'c':'y','d':'u','e':'d'},{'a':1,'b':2,'c':'z','d':'u','e':'d'},{'a':1,'b':2,'c':'j','d':'u','e':'d'},]參數(shù)是不定的，varobj1={'a':1,'b':2,'c':['x','y','z','j'],'d':['a','c','u'],'e':['e','d']}varobj2={'a':1,'b':2,'c':['x','y','z','j'],'d':['a','c','u']}varobj3={'c':['x','y','z','j'],'d':['a','c','u']}varobj4={'a':1,'b':2}等等，對象個數(shù)沒有限制，屬性值沒有限制（當(dāng)然，只翻譯屬性值為數(shù)組類型的）

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javascriptfunctiontransform(obj,keys,index,result){varkey=keys[index];varvalue=obj[key];if(Array.isArray(value)){varnewObj={};varnewObj2={};keys.forEach(function(k){newObj[k]=k===key?value[0]:obj[k];newObj2[k]=k===key?value.slice(1):obj[k];});if(newObj[key]!==undefined){transform(newObj,keys,index,result);}if(newObj2[key].length>0){transform(newObj2,keys,index,result);}}else{if(index===keys.length-1){varret={};keys.forEach(function(k){ret[k]=obj[k];});result.push(ret);}else{transform(obj,keys,index+1,result);}}}varobj={'a':1,'b':2,'c':['x','y','z','j'],'d':['a','c','u'],'e':['e','d']};varresult=[];transform(obj,Object.keys(obj),0,result);result.forEach(function(o){console.log('%j',o);});