解决方法:做了各方面的转换处理都不好使:$obj='{"order_id":213477815351175,"buyer":100001169269154}';$obj=$this->json_decode($obj,TRUE);print_r($obj);结果:Array([order_id] => 2.1347781535118E+14[buyer] => 1.0000116926915E+14)最后使用 php自带函数 number_format(),问题得到解决,效果如下:$obj='{"order_id":213477815351175,"buyer":100001169269154}';$obj=$this->json_decode($obj,TRUE);foreach ($obj as $key=>$val){$obj[$key]=number_format($val,0,'','');}print_r($obj);结果:Array([order_id] => 213477815351175[buyer] => 100001169269154)
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