def read_tdx_trader_stock(self,path=r'c:\new_tdx\t0002\blocknew\buy.blk'): ''' 读取通达信板块自选股交易 ''' try: stock_list=[] with open(r'{}'.format(path),'r+') as f: com=f.readlines() for i in com: i=i.strip() if len(str(i))>0: stock_list.append(i) df=pd.dataframe() df['证券代码']=stock_list df['证券代码']=df['证券代码'].apply(lambda x:str(x)[-


```python import pandas as pd def read_tdx_trader_stock(self, path=r'c:\new_tdx\t0002\blocknew\buy.blk'): ''' 读取通达信板块自选股交易 ''' try: stock_list = [] with open(path, 'r+', encoding='gbk') as f: # 指定文件编码 lines = f.readlines() for line in lines: line = line.strip() # 去除每行首尾空白字符 if len(line) > 0: stock_list.append(line) df = pd.DataFrame() # 创建空 DataFrame df['证券代码'] = stock_list # 添加股票代码列 df['证券代码'] = df['证券代码'].apply(lambda x: str(x).zfill(6)) # 确保股票代码为6位数 return df # 返回 DataFrame except Exception as e: print(f"读取文件时发生错误: {e}") return None ``` 需要注意的逻辑点: 1. 文件编码:在打开文件时指定了 `encoding='gbk'`,确保可以正确读取中文字符。如果文件编码不同,需要调整这里的编码设置。 2. 数据清洗:使用 `strip()` 方法去除每行的空白字符,确保数据的干净。 3. 股票代码格式:使用 `zfill(6)` 方法确保股票代码始终为6位数,避免因长度不一致导致的问题。 [2024-12-07 13:53:39 | AI写代码神器 | 340点数解答]
- def read_tdx_trader_stock(self,path=r'c:\new_tdx\t0002\blocknew\buy.blk'): ''' 读取通达信板块自选股交易 ''' try: stock_list=[] with open(r'{}'.format(path),'r+') as f: com=f.readlines() for i in com: i=i.strip() if len(str(i))>0: stock_list.append(i) df=pd.dataframe() df['证券代码']=stock_list df['证券代码']=df['证券代码'].apply(lambda x:str(x)[-(84点数解答 | 2024-12-07 13:53:04)162
- def read_tdx_trader_stock(self,path=r'c:\new_tdx\t0002\blocknew\buy.blk'): ''' 读取通达信板块自选股交易 ''' try: stock_list=[] with open(r'{}'.format(path),'r+') as f: com=f.readlines() for i in com: i=i.strip() if len(str(i))>0: stock_list.append(i) df=pd.dataframe() df['证券代码']=stock_list df['证券代码']=df['证券代码'].apply(lambda x:str(x)[-(340点数解答 | 2024-12-07 13:53:39)188
- try: stock_list=[] with open(r'{}'.format(path),'r+') as f: com=f.readlines() for i in com: i=i.strip() if len(str(i))>0: stock_list.append(i) df=pd.dataframe() df['证券代码']=stock_list df['证券代码']=df['证券代码'].apply(lambda x:str(x)[-6:]) return df(294点数解答 | 2024-12-07 13:50:32)134
- # 预处理 def load_and_preprocess(file_path): df = pd.read_excel(file_path, engine='openpyxl') df = df.rename(columns={ '评价内容': 'comment', '星级': 'rating' }) # 删除未评论评价以及评论为空的记录 df = df.remove('此用户没有填写评价。') df = df.remove('此用户未及时填写评价内容') df = df.remove('此用户未填写评价内容') df = df.remove('该用户未评价,系统默认好评') df = df.dropna(subset=['comment']) # 去除非文字字符(保留中文、英文、数字) df['comment'] = df['comment'].apply(lambda x: re.sub(r'[^\w\u4e00-\u9fff]', '', (635点数解答 | 2025-06-25 15:46:50)78
- 只修改g_best和p_best这两行代码import random class point(object): def __init__(self, x, v): self.x_list = [x] self.v_list = [v] self.fit_list = [] class pso(object): def __init__(self): # 学习因子 self.c1 = 2.0 self.c2 = 2.0 # 种群数量 self.m = 5 # 惯性因子 self.w = 0.5 # 迭代次数 self.iter_num = 100 # 定义域 self.x_bound = (0, 31) self.group = self._init_x_list() # 得分函数 @staticmetho(298点数解答 | 2024-10-29 21:10:07)192
- 继承以上rect类,设计一个newrect类,要求添加一个数据成员,用以存放矩形位置, 位置坐标通常为矩形左上角坐标,用元组表示,例如(x,y),然后 修改构造方法; 设计move()方法,将矩形从一个位置移动到另一个位置; 设计size()方法改变矩形大小; 设计where()返回矩形左上角的坐标值。 class rect: def __init__(self,length,width): self.length=length self.width=width def perimeter(self): return 2*(self.length+self.width) def area(self): return self.length*self.width def show(self): print("该矩形的信息如下:") print("长=",self.length,end=",") p(110点数解答 | 2025-01-02 23:42:09)173
- 继承以上rect类,设计一个newrect类,要求添加一个数据成员,用以存放矩形位置, 位置坐标通常为矩形左上角坐标,用元组表示,例如(x,y),然后 修改构造方法; 设计move()方法,将矩形从一个位置移动到另一个位置; 设计size()方法改变矩形大小; 设计where()返回矩形左上角的坐标值。 class rect: def __init__(self,length,width): self.length=length self.width=width def perimeter(self): return 2*(self.length+self.width) def area(self): return self.length*self.width def show(self): print("该矩形的信息如下:") print("长=",self.length,end=",") p(94点数解答 | 2025-01-02 23:42:11)163
- 继承以上rect类,设计一个newrect类,要求添加一个数据成员,用以存放矩形位置, 位置坐标通常为矩形左上角坐标,用元组表示,例如(x,y),然后 修改构造方法; 设计move()方法,将矩形从一个位置移动到另一个位置; 设计size()方法改变矩形大小; 设计where()返回矩形左上角的坐标值。 class rect: def __init__(self,length,width): self.length=length self.width=width def perimeter(self): return 2*(self.length+self.width) def area(self): return self.length*self.width def show(self): print("该矩形的信息如下:") print("长=",self.length,end=",") p(94点数解答 | 2025-01-02 23:42:12)183
- class loaddata(dataset): def __init__(self, csv_file): # 读取数据 data = pd.read_csv(csv_file, parse_dates=['timestamp'], index_col='timestamp', dayfirst=true) self.data = self.prepare_daily_samples(data['household 200']) # 处理缺失值和异常值 self.data = self.handle_missing_and_outliers(self.data) # 数据最大值归一化处理 self.scaler = minmaxscaler() self.data = self.scaler.fit_transform(self.data.reshape(-1, self.data.shape[-1])).reshape(self(34点数解答 | 2024-11-09 10:50:56)226
- class student: def __init__(self, name, chinese, math, english, physics, chemistry, biology, politics, history, geography): self.name = name self.chinese = chinese self.math = math self.english = english self.physics = physics self.chemistry = chemistry self.biology = biology self.politics = politics self.history = history self.geography = geography self.total_score = chinese + math + english + physics +(474点数解答 | 2024-12-01 20:47:57)209
- class student: def __init__(self, name, chinese, math, english, physics, chemistry, biology, politics, history, geography): self.name = name self.chinese = chinese self.math = math self.english = english self.physics = physics self.chemistry = chemistry self.biology = biology self.politics = politics self.history = history self.geography = geography self.total_score = chinese + math + english + physics +(123点数解答 | 2024-12-01 20:51:20)260
- 检查代码 #include <ctype.h> #include <string.h> void verse(char* str) { *str = tolower(*str); int lens = strlen(str); printf("字符串长度为:%d\n", lens); for (int i = 0; i < lens / 2; i++) { char temp = str[i]; str[i] = str[lens - 1 - i]; str[lens - 1 - i] = temp; } } int pali(char *str) { int lens=strlen(str); char *reverse[lens+1]; strcpy(reverse, str); verse(reverse); return strcmp(str, reverse)==0; } int main() { char str[101];(655点数解答 | 2024-11-08 21:54:45)189